Robert Guerrero
Robert Guerrero

Robert Guerrero

“The Ghost”

RECORD

38 - 6 - 1

KOs

20

Weight 147 lbs (66.82 kg)

Age 41

Home Las Vegas, Nevada,

Complete Stats

A former three-division World Champion, Robert Guerrero continues his comeback in the Welterweight Division. Read Bio

Last Fight

Win vs Andre Berto

Dec 16, 2023 / The Armory, Minneapolis, Minnesota

Robert Guerrero WINS against Andre Berto by UD in Round 10 of 10

Latest News

Robert Guerrero News
Dec 18, 2023 / David Morrell Jr. vs Sena Agbeko, David Morrell Jr, Sena Agbeko, Chris Colbert, Jose Valenzuela, Robert Guerrero, Andre Berto

The Aftermath: Morrell vs Agbeko

Michael Rosenthal shares his thoughts on last Saturday's final boxing card on SHOWTIME.

Dec 17, 2023 / David Morrell Jr. vs Sena Agbeko, David Morrell Jr, Sena Agbeko, Jose Valenzuela, Chris Colbert, Robert Guerrero, Andre Berto, Alberto Puello, Kyrone Davis

David Morrell Jr. Blasts Sena Agbeko in Two Rounds, Retains Title

The WBA 168-pound titlist remains unbeaten with a scintillating performance Saturday night on SHOWTIME.

Dec 13, 2023 / The PBC Podcast, David Benavidez, Robert Guerrero

The PBC Podcast: David Benavidez, Robert Guerrero

Two of the best personalities in the sport, plus a look ahead to Saturday night's PBC on SHOWTIME card in Minneapolis.

Fights

Robert Guerrero Fights

Win vs Andre Berto 32-6-0

Dec 16, 2023 The Armory, Minneapolis, Minnesota

Robert Guerrero WINS against Andre Berto by UD in Round 10 of 10

Win vs Robert Guerrero 33-7-3

Aug 21, 2021 T-Mobile Arena, Las Vegas, Nevada

Victor Ortiz WINS against Robert Guerrero by UD in Round 10 of 10

Win vs Gerald Thomas 14-1-1

Sep 28, 2019 Staples Center, Los Angeles, California, USA

Robert Guerrero WINS against Gerald Thomas by UD in Round 10 of 10

Win vs Heivinson Herrera 24-16-1

Mar 09, 2019 Dignity Health Sports Park , Carson, California, USA

Robert Guerrero WINS against Heivinson Herrera by RTD in Round 5 of 10

Win vs Adam Mate 28-12-0

Dec 01, 2018 Staples Center, Los Angeles, California, USA

Robert Guerrero WINS against Adam Mate by KO in Round 2 of 8

LOSS vs Omar Figueroa Jr. 28-3-1

Jul 15, 2017 Nassau Veterans Memorial Coliseum, Long Island, New York

Omar Figueroa Jr. WINS against Robert Guerrero by TKO in Round 3 of 10

LOSS vs Omar Figueroa Jr 28-3-1

Jul 15, 2017 Nassau Coliseum, Uniondale, New York, USA

Omar Figueroa Jr WINS against Robert Guerrero by TKO in Round 3 of 10

Loss vs David Emanuel Peralta 27-3-1

Aug 27, 2016 Honda Center, Anaheim, California

Robert Guerrero LOSES to David Emanuel Peralta by SD in Round 12 of 12

LOSS vs Danny Garcia 37-4-0

Jan 23, 2016 Staples Center, Los Angeles

Danny Garcia WINS against Robert Guerrero by UD in Round 12 of 12

Win vs Aaron Martinez 19-3-1

Jun 06, 2015 StubHub Center, Carson, California

Robert Guerrero WINS against Aaron Martinez by SD in Round 10 of 10

LOSS vs Keith Thurman 30-1-0

Mar 07, 2015 MGM Grand, Garden Arena, Las Vegas, Nevada

Keith Thurman WINS against Robert Guerrero by UD in Round 12 of 12

Win vs Yoshihiro Kamegai 24-1-1

Jun 21, 2014 StubHub Center, Carson, California, USA

Robert Guerrero WINS against Yoshihiro Kamegai by UD in Round 12 of 12

LOSS vs Floyd MayweatherJr 43-0-0

May 04, 2013 MGM Grand, Grand Garden Arena, Las Vegas, Nevada, USA

Floyd MayweatherJr WINS against Robert Guerrero by UD in Round 12 of 12

LOSS vs Floyd Mayweather Jr 43-0-0

May 04, 2013 MGM Grand, Grand Garden Arena, Las Vegas, Nevada, USA

Floyd Mayweather Jr WINS against Robert Guerrero by UD in Round 12 of 12

Win vs Andre Berto 32-6-0

Nov 24, 2012 Citizens Business Bank Arena, Ontario, California, USA

Robert Guerrero WINS against Andre Berto by UD in Round 12 of 12

Win vs Selcuk Aydin 23-0-0

Jul 28, 2012 HP Pavilion, San Jose, California, USA

Robert Guerrero WINS against Selcuk Aydin by UD in Round 12 of 12

Win vs Michael Katsidis 27-3-0

Apr 09, 2011 MGM Grand, Las Vegas, Nevada, USA

Robert Guerrero WINS against Michael Katsidis by UD in Round 12 of 12

Win vs Vicente Escobedo 22-2-0

Nov 06, 2010 Prudential Center, Newark, New Jersey, USA

Robert Guerrero WINS against Vicente Escobedo by UD in Round 10 of 10

Win vs Joel Casamayor 37-4-1

Jul 31, 2010 Mandalay Bay Resort & Casino, Las Vegas, Nevada, USA

Robert Guerrero WINS against Joel Casamayor by UD in Round 10 of 10

Win vs Roberto David Arrieta 35-15-4

Apr 30, 2010 Tropicana Hotel & Casino, Las Vegas, Nevada, USA

Robert Guerrero WINS against Roberto David Arrieta by TKO in Round 8 of 10

Win vs Malcolm Klassen 24-4-2

Aug 22, 2009 Toyota Center, Houston, Texas, USA

Robert Guerrero WINS against Malcolm Klassen by UD in Round 12 of 12

Win vs Efren Hinojosa 30-5-1

Jun 12, 2009 HP Pavilion, San Jose, California, USA

Robert Guerrero WINS against Efren Hinojosa by RTD in Round 8 of 10

No Contest vs Daud Yordan 23-0-0

Mar 07, 2009 HP Pavilion, San Jose, California, USA

Robert Guerrero Daud Yordan by ND in Round 2 of 10

Win vs Edel Ruiz 29-21-4

Jan 24, 2009 Staples Center, Los Angeles, California, USA

Robert Guerrero WINS against Edel Ruiz by TKO in Round 1 of 10

Win vs Jason Litzau 23-1-0

Feb 29, 2008 Tachi Palace Hotel & Casino, Lemoore, California, USA

Robert Guerrero WINS against Jason Litzau by KO in Round 8 of 12

Win vs Martin Honorio 24-3-1

Nov 03, 2007 Desert Diamond Casino, Tucson, Arizona, USA

Robert Guerrero WINS against Martin Honorio by TKO in Round 1 of 12

WIN vs Spend Abazi 35-1-0

Feb 23, 2007 Falconer Centeret, Frederiksberg, Denmark

Spend Abazi LOSES to Robert Guerrero by TKO in Round 9 of 12

No Contest vs Orlando Salido 27-9-2

Nov 04, 2006 Mandalay Bay Resort & Casino, Las Vegas, Nevada, USA

Robert Guerrero Orlando Salido by ND in Round 12 of 12

Win vs Eric Aiken 16-4-0

Sep 02, 2006 Staples Center, Los Angeles, California, USA

Robert Guerrero WINS against Eric Aiken by RTD in Round 8 of 12

Win vs Gamaliel Diaz 20-5-2

Jun 23, 2006 Oakland Arena, Oakland, California, USA

Robert Guerrero WINS against Gamaliel Diaz by KO in Round 6 of 12

Win vs Sandro Marcos 24-14-2

May 18, 2006 HP Pavilion, San Jose, California, USA

Robert Guerrero WINS against Sandro Marcos by TKO in Round 3 of 10

Loss vs Gamaliel Diaz 19-5-2

Dec 02, 2005 Tachi Palace Hotel & Casino, Lemoore, California, USA

Robert Guerrero LOSES to Gamaliel Diaz by SD in Round 12 of 12

Win vs Samuel Ventura 22-14-0

Sep 16, 2005 Palace Indian Gaming Center, Lemoore, California, USA

Robert Guerrero WINS against Samuel Ventura by KO in Round 1 of 12

Win vs Sammy Ventura 22-14-0

Sep 16, 2005 Palace Indian Gaming Center, Lemoore, California, USA

Robert Guerrero WINS against Sammy Ventura by KO in Round 1 of 12

Win vs Adrian Valdez 16-3-3

Apr 01, 2005 Palace Indian Gaming Center, Lemoore, California, USA

Robert Guerrero WINS against Adrian Valdez by TKO in Round 12 of 12

Win vs Cesar Figueroa 28-4-2

Dec 09, 2004 Pechanga Resort & Casino, Temecula, California, USA

Robert Guerrero WINS against Cesar Figueroa by KO in Round 4 of 12

Win vs Enrique Sanchez 30-2-4

Jun 03, 2004 Chinook Winds Casino, Lincoln City, Oregon, USA

Robert Guerrero WINS against Enrique Sanchez by TKO in Round 8 of 10

Win vs Juan Polo Perez 46-35-4

Apr 24, 2004 Miccosukee Indian Gaming Resort, Miami, Florida, USA

Robert Guerrero WINS against Juan Polo Perez by TKO in Round 2 of 6

Draw vs Julian Rodriguez 15-9-1

Mar 14, 2004 Pechanga Entertainment Center, Temecula, California, USA

Robert Guerrero DRAWS with Julian Rodriguez by TD in Round 1 of 8

Win vs Jose Luis Tula 15-8-2

Jun 08, 2003 Texas Station Casino, North Las Vegas, Nevada, USA

Robert Guerrero WINS against Jose Luis Tula by TKO in Round 1 of 10

Win vs David Vazquez 17-8-3

May 04, 2003 Spotlight 29 Casino, Coachella, California, USA

Robert Guerrero WINS against David Vazquez by TKO in Round 1 of 10

Win vs David Vasquez 17-8-3

May 04, 2003 Spotlight 29 Casino, Coachella, California, USA

Robert Guerrero WINS against David Vasquez by TKO in Round 1 of 10

Win vs Jose Alfonso Rodriguez 12-11-2

Dec 20, 2002 American Airlines Arena, Miami, Florida, USA

Robert Guerrero WINS against Jose Alfonso Rodriguez by TKO in Round 2 of 6

Win vs Freddy Castro 1-4-1

Jul 03, 2002 Hyatt Regency Hotel, Monterey, California, USA

Robert Guerrero WINS against Freddy Castro by UD in Round 6 of 6

Win vs Marcos Badillo 15-20-1

Apr 14, 2002 Hard Rock Hotel and Casino, Las Vegas, Nevada, USA

Robert Guerrero WINS against Marcos Badillo by UD in Round 6 of 6

Win vs Robert Enriquez 4-3-0

Mar 10, 2002 Green Valley Ranch Resort, Las Vegas, Nevada, USA

Robert Guerrero WINS against Robert Enriquez by UD in Round 4 of 4

Win vs Joaquin Candelario 5-20-3

Feb 08, 2002 Pechanga Entertainment Center, Temecula, California, USA

Robert Guerrero WINS against Joaquin Candelario by UD in Round 4 of 4

Win vs Arthur Trevino 0-0-0

Jan 25, 2002 Young Pavilion, Pembroke Pines, Florida, USA

Robert Guerrero WINS against Arthur Trevino by UD in Round 4 of 4

Win vs Oscar Rosales 2-0-1

Nov 02, 2001 Sunset Station, San Antonio, Texas, USA

Robert Guerrero WINS against Oscar Rosales by UD in Round 4 of 4

Win vs Javier Gonzalez 2-7-1

Sep 29, 2001 Miccosukee Indian Gaming Resort, Miami, Florida, USA

Robert Guerrero WINS against Javier Gonzalez by TKO in Round 3 of 4

Win vs Alejandro Cruz 0-0-0

Apr 22, 2001 Fantasy Springs Casino, Indio, California, USA

Robert Guerrero WINS against Alejandro Cruz by UD in Round 4 of 4

Stats

Robert Guerrero “The Ghost”

  • WINS 38
  • LOSSES 6
  • DRAWS 1
  • KOs 20

Weight 147 lbs (66.82 kg)

Height 5'9" (1.75 m)

Reach 71" (180 cm)

  • Born

    March 27, 1983
  • Age

    41
  • Country

    USA
  • Born in

    Gilroy, CA
  • Trains in

    Las Vegas, NV
  • Stance

  • Rounds Boxed

    322
  • KO Percentage

    52.63%
  • Boxing Hero

Fighter data provided by BoxRec Ltd. View disclaimer

Bio

Robert Guerrero Bio

Boxing since the age of 9, Robert Guerrero has earned world titles in two weight divisions (with interim titles in two other divisions). After taking a break from the sport in 2010 to help his wife successfully overcome leukemia, the southpaw returned to the ring to battle such notable opponents as Joel Casamayor, Andre Berto and Floyd Mayweather Jr.

Guerrero has proven himself to be both a valiant fighter inside the ring and an honorable man outside of it.

Much of that comes from having a father who helped shape not only his son’s life, but also his development into a world champion.

Ruben Guerrero Sr., a former amateur champion, introduced Robert and his five brothers to boxing as youngsters growing up in Gilroy, California.

Even early on, Robert Guerrero haunted opponents in the ring, and his elusiveness quickly earned him his nickname, “The Ghost.”

A natural star

Guerrero came out swinging from the start under his father’s guidance, embarking on a distinguished amateur career.

At age 15, he won a gold medal at the national Junior Olympics and was voted most outstanding fighter of the tournament.

The following year, Guerrero was the youngest competitor at the 2000 Olympic trials.

Although he didn’t make the team, the 16-year-old put on a good showing, losing to eventual Olympic bronze medalist Clarence Vinson, who was 21 years old.

Rather than remain an amateur in order to compete in the 2004 Olympics, Guerrero turned professional at the age of 18.

Robert Guerrero celebrates victory
Robert Guerrero celebrates after defeating Eric Aiken to claim the 126-pound title in Los Angeles on September 2, 2006.

Winning his first world title

Guerrero went undefeated in his first 12 professional fights as a rising 126-pound prospect, including an eighth-round stoppage of former world champion Enrique Sanchez in June 2004.

He suffered his first loss against Gamaliel Diaz in December 2005, avenging the setback in a rematch with Diaz two fights later via a sixth-round knockout.

The win set Guerrero up with a September 2006 fight in Los Angeles against 126-pound champion Eric Aiken, who retired in his corner following the eighth round, giving Guerrero his first world title.

He relinquished his belt by losing to Orlando Salido in his next bout.

However, Salido tested positive for steroids following the fight in Las Vegas, and the result was changed to a no contest.

Robert Guerrero and Spend Abazi
Robert Guerrero fights against Spend Abazi for the vacant 126-pound world title in Frederiksberg, Denmark, on February 23, 2007. Guerrero won by ninth-round technical knockout.

A champion at 130 pounds

Guerrero would waste no time in becoming champion once again, notching a ninth-round TKO of Spend Abazi in Frederiksberg, Denmark, in February 2007 to take home the vacant 126-pound belt.

He defended his title two more times—a first-round KO of Martin Honorio in November 2007, and an eighth-round KO of power puncher Jason Litzau in February 2008—before moving up to the 130-pound division.

In Guerrero’s second bout at 130 pounds, against Indonesian fighter Daud Yordan in March 2009, an accidental head butt opened a severe gash above his left eye.

The fight ended in a second-round no contest.

Guerrero claimed the 130-pound title later that year, winning a 12-round unanimous decision over Malcolm Klassen in Houston.

A different type of fight

In October 2007, Guerrero’s wife, Casey, was diagnosed with leukemia.

She relapsed three times over the next couple of years before being told in 2009 that she would need a bone marrow transplant to live.

Casey underwent the procedure in January 2010.

Guerrero vacated his world title the following month to help take care of his high school sweetheart, canceling a highly anticipated showdown with 135-pound titlist Michael Katsidis scheduled for March.

"It was going to be the fight of my career," Guerrero told the Los Angeles Times in July 2010. "I had to push it aside for the fight of my wife's life."

Thankfully, Casey has remained free of cancer since her bone marrow transplant, allowing Guerrero to refocus on his career.

Robert Guerrero and Joel Casamayor
Robert Guerrero punches Joel Casamayor during their 140-pound bout in Las Vegas on July 31, 2010.

Adding weight, adding belts

Moving up to 135 pounds upon his return to the ring later in the year, Guerrero notched wins against former world champion Joel Casamayor and 2004 U.S. Olympian Vincente Escobedo to close out 2010.

Guerrero finally got his shot against Katsidis in April 2011, and won an action-packed 12-round unanimous decision in Las Vegas to claim interim 135-pound titles.

Robert Guerrero poses on the scale during the official weigh-in before his fight against Floyd Mayweather Jr. in Las Vegas on May 4, 2013.

Ready for any challenge

The southpaw would then jump up another two weights classes, defeating Selcuk Aydin in a 12-round unanimous decision in San Jose, California, in July 2012 for an interim 147-pound title.

Guerrero then battled former 147-pound champ Andre Berto in Ontario, California, in November 2012.

“Everything I've had to go through prepares you for this," Guerrero told the Los Angeles Times prior to the fight. "Winning this kind of fight—moving up in weight, taking the harder punches—has to do with character. Boxing is like Disneyland after what I've seen my wife go through."

Guerrero knocked Berto down in each of the first two rounds en route to winning a hard-fought 12-round unanimous decision.

The win would pave the way for the biggest fight in Guerrero’s career, a date with undefeated 147-pound champion Floyd Mayweather Jr. in Las Vegas in May 2013.

Guerrero, a 5-to-1 betting underdog, was never really able to penetrate Mayweather’s defense and lost a 12-round unanimous decision.

Robert Guerrero
Robert Guerrero lands a punch against Yoshihiro Kamegai in their 147-pound bout in Carson, California on June 21, 2014. Guerrero won by 12-round unanimous decision.

Back in action

After taking nearly a year off in the ring, Guerrero returned to action against Japanese fighter Yoshihiro Kamegai Carson, California, in June 2014.

The bout was one of the year’s best, and Guerrero won the bloody contest in a 12-round unanimous decision.

According to CompuBox, the two fighters combined to throw more than 1,900 punches.

Robert Guerrero and Keith Thurman
Robert Guerrero lands a right hand during his loss to Keith Thurman in Las Vegas on March 7, 2015.

Going down swinging in his PBC debut

On March 7, 2015, Guerrero fought undefeated Keith Thurman in a 147-pound bout as part of the first Premier Boxing Champions card, which aired in prime time on NBC.

Fighting at the MGM Grand Garden Arena in Las Vegas, Guerrero dropped a 12-round unanimous decision but earned plenty of respect when he continually pressured Thurman in the late rounds after being knocked down in the ninth.

It was the second time in Guerrero's career that he had been dropped, but his valiant comeback against such a strong opponent won him widespread praise.

Robert Guerrero and Aron Martinez
Robert Guerrero drills Aron Martinez with a right hand during their fight in Carson, California, on June 6, 2015.

Rallying for victory

Guerrero made a quick return to the ring, taking on Aron Martinez at the StubHub Center in Carson, California, on June 6, 2015, in the headlining bout on a PBC on NBC afternoon broadcast.

Guerrero started slowly against Martinez, fighting often with his back against the ropes, and was knocked to the canvas toward the end of the fourth round by a quick flurry from Martinez.

Midway through the 10-round fight, Guerrero became more aggressive and picked up the pace, using his jab to keep Martinez at bay.

Guerrero continued to wear down Martinez as the fight progressed and ended up victorious by split decision, winning the final five rounds on all three judges' scorecards to earn the decision.

Garcia vs. Guerrero: January 23, 2016 (PBC on FOX)

RISING FROM THE ASHES

On January 23, 2016, Guerrero faced former unified 140-pound world champion Danny “Swift” Garcia for the vacant WBC world welterweight title at Staples Center in Los Angeles.

Guerrero’s strength, volume punching and will kept him in the fight but Garcia ultimately pulled away to win a 12-round unanimous decision and become a two-division titlist.

Guerrero would drop his next two fights; an August 2016 split decision defeat to David Emanuel Peralta and then in July 2015, he and former lightweight champion Omar Figueroa Jr. engaged in a war that ended with Figueroa winning via third-round TKO.

Guerrero would retire shortly afterward, but the warrior inside yearned for battle. On December 1, 2018, he returned to the ring, stopping Adam Mate in two rounds at Los Angeles’ Staples Center. Guerrero followed that up with a five-round technical decision over Hevinson Herrera in March 2019 at Dignity Health Sports Park in Carson, California. 

Guerrero's comeback continues. On September 28, 2019, he won a spirited 10-round unanimous decision over Gerald Thomas at Staples Center in Los Angeles. Final scores read 99-91, 99-91, 98-92. He followed that up with an even better win on August 21, 2021, winning a 10-round unanimous decision over former champion Victor Ortiz. 

Then, on December 16, 2023, Guerrero turned back the clock once more, winning a 10-round unanimous decision over Andre Berto in a rematch of their first encounter back in 2012. 

“I felt great in the ring,” said Guerrero. “I said in the fighter meeting that I was going to box a little more and work on my jab and foot work. Berto is a tough character. He’s fast, he’s strong. He tied me up a lot. I’m pumped, I’m excited. Let’s see what’s next after this.”