John Riel Casimero

“Quadro Alas”

RECORD

31 - 4 - 0

KOs

21

Weight 118 lbs (53.64 kg)

Age 32

Home Ormoc City, Leyte, PHI 

Complete Stats

Last Fight

win vs Guillermo Rigondeaux

Aug 14, 2021 / Dignity Health Sports Park, Carson, California

WBO Bantamweight World Champion John Riel Casimero retains his world title with a split-decision victory over Guillermo Rigondeaux.

Latest News

John Riel Casimero News
John Riel CasimeroPBC Boxing Video
Aug 15, 2021 / Rigondeaux vs Casimero, Guillermo Rigondeaux, John Riel Casimero, Gary Antonio Russell, Emmanuel Rodriguez, Rau'shee Warren

Casimero defends title by split-decision over Rigondeaux

Casimero's aggression pays off as he wins a nip and tuck affair to retain his WBO World Bantamweight belt Saturday night on PBC on SHOWTIME.

Fights

John Riel Casimero Fights

WIN vs Guillermo Rigondeaux 20-2-0

Aug 14, 2021 Dignity Health Sports Park, Carson, California

Guillermo Rigondeaux LOSES to John Riel Casimero by SD in Round 12 of 12

Win vs Duke Micah 24-1-0

Sep 26, 2020 Mohegan Sun Arena, Uncasville, Connecticut

John Riel Casimero WINS against Duke Micah by TKO in Round 3 of 12

Loss vs John Riel Casimero 28-3-0

Nov 30, 2019 Arena Birmingham, Birmingham, West Midlands, United Kingdom

Zolani Tete LOSES to John Riel Casimero by TKO in Round 3 of 12

Win vs Cesar Ramirez 18-3-0

Aug 24, 2019 San Andres Civic & Sports Center, District of Malate, Manila, Metro Manila, Philippines

John Riel Casimero WINS against Cesar Ramirez by KO in Round 10 of 12

Loss vs John Riel Casimero 23-2-0

Apr 20, 2019 Dignity Health Sports Park , Carson, California, USA

Ricardo Espinoza Franco LOSES to John Riel Casimero by KO in Round 12 of 12

Win vs Kenya Yamashita 13-4-0

Feb 16, 2019 SM City North EDSA Skydome , Quezon City, Metro Manila, Philippines

John Riel Casimero WINS against Kenya Yamashita by TKO in Round 6 of 10

Win vs Jose Pech 4-25-0

Jul 21, 2018 Casino Hipodromo Agua Caliente, Tijuana, Baja California, Mexico

John Riel Casimero WINS against Jose Pech by TKO in Round 2 of 6

Win vs John Riel Casimero 13-3-0

Sep 16, 2017 Waterfront Hotel and Casino, Cebu City, Cebu, Philippines

Jonas Sultan WINS against John Riel Casimero by UD in Round 12 of 12

Win vs Jecker Buhawe 16-13-1

Jun 25, 2017 Iligan City public plaza, Iligan City, Lanao del Norte, Philippines

John Riel Casimero WINS against Jecker Buhawe by UD in Round 6 of 6

Win vs Charlie Edwards 8-0-0

Sep 10, 2016 O2 Arena, Greenwich, London, United Kingdom

John Riel Casimero WINS against Charlie Edwards by TKO in Round 10 of 12

Loss vs John Riel Casimero 17-0-0

May 25, 2016 Diamond Court, Beijing, China

Amnat Ruenroeng LOSES to John Riel Casimero by KO in Round 4 of 12

Win vs John Riel Casimero 15-0-0

Jun 27, 2015 Hua Mark Indoor Stadium, Bangkok, Thailand

Amnat Ruenroeng WINS against John Riel Casimero by UD in Round 12 of 12

Loss vs John Riel Casimero 14-3-2

Dec 13, 2014 Salón Las Palmas, Pesqueria, Nuevo León, Mexico

Armando Santos LOSES to John Riel Casimero by TKO in Round 2 of 12

Win vs Mauricio Fuentes 16-2-0

May 03, 2014 Waterfront Hotel and Casino, Cebu City, Cebu, Philippines

John Riel Casimero WINS against Mauricio Fuentes by KO in Round 1 of 12

Win vs Felipe Salguero 18-5-1

Oct 26, 2013 Makati Coliseum, Makati City, Metro Manila, Philippines

John Riel Casimero WINS against Felipe Salguero by TKO in Round 11 of 12

Win vs Luis Alberto Rios 18-1-1

Mar 16, 2013 Megapolis Convention Center, Panama City, Panama

John Riel Casimero WINS against Luis Alberto Rios by UD in Round 12 of 12

Win vs Pedro Guevara 18-0-1

Aug 04, 2012 Centro de Convenciones, Mazatlan, Sinaloa, Mexico

John Riel Casimero WINS against Pedro Guevara by SD in Round 12 of 12

Win vs Luis Alberto Lazarte 49-10-2

Feb 10, 2012 Club Once Unidos, Mar del Plata, Buenos Aires, Argentina

John Riel Casimero WINS against Luis Alberto Lazarte by TKO in Round 10 of 12

Win vs Roemart Sentillas 11-7-0

Oct 15, 2011 Hoops Dome, Lapu-Lapu City, Cebu, Philippines

John Riel Casimero WINS against Roemart Sentillas by KO in Round 1 of 10

Win vs John Riel Casimero 26-2-0

Mar 26, 2011 Nasrec Indoor Arena, Johannesburg, Gauteng, South Africa

Moruti Mthalane WINS against John Riel Casimero by TKO in Round 5 of 12

Loss vs Ramon Garcia Hirales 12-1-1

Jul 24, 2010 Polideportivo Centenario, Los Mochis, Sinaloa, Mexico

John Riel Casimero LOSES to Ramon Garcia Hirales by SD in Round 12 of 12

Loss vs John Riel Casimero 28-2-0

Dec 19, 2009 Estadio Nacional, Managua, Nicaragua

Cesar Canchila LOSES to John Riel Casimero by TKO in Round 11 of 12

Win vs Ardin Diale 11-4-1

May 28, 2009 Cebu Coliseum, Cebu City, Cebu, Philippines

John Riel Casimero WINS against Ardin Diale by TKO in Round 8 of 12

Win vs Allan Ranada 18-17-1

May 08, 2009 Naga Sports Complex, Naga City, Cebu, Philippines

John Riel Casimero WINS against Allan Ranada by UD in Round 8 of 8

Win vs Phaiboon Chumthong 11-3-0

Oct 03, 2008 Talisay City Sports Complex, Talisay City, Cebu, Philippines

John Riel Casimero WINS against Phaiboon Chumthong by TKO in Round 5 of 12

Win vs Rodel Quilaton 20-8-1

Aug 23, 2008 Alcoy Multi-Purpose Sports Complex, Alcoy, Cebu, Philippines

John Riel Casimero WINS against Rodel Quilaton by UD in Round 10 of 10

Win vs Roemart Sentillas 6-2-0

Jul 17, 2008 Compostela, Cebu, Philippines

John Riel Casimero WINS against Roemart Sentillas by TKO in Round 3 of 10

Win vs Roel Honor 5-11-2

Jun 12, 2008 Baybay City Sports Complex, Baybay, Leyte, Philippines

John Riel Casimero WINS against Roel Honor by TKO in Round 1 of 8

Win vs Daryl Amoncio 6-6-0

Apr 21, 2008 Lapu-Lapu City Auditorium, Lapu-Lapu City, Cebu, Philippines

John Riel Casimero WINS against Daryl Amoncio by MD in Round 8 of 8

Win vs Jerome Bontog 4-3-1

Mar 29, 2008 Mandaue City Plaza Square, Barangay Centro, Mandaue City, Cebu, Philippines

John Riel Casimero WINS against Jerome Bontog by KO in Round 3 of 6

Win vs Rogen Flores 7-2-2

Jan 12, 2008 Borbon Sports Complex, Borbon, Cebu, Philippines

John Riel Casimero WINS against Rogen Flores by TD in Round 6 of 8

Win vs Dodong Zalde 0-14-2

Dec 16, 2007 Carmen Sports Complex, Carmen, Cebu, Philippines

John Riel Casimero WINS against Dodong Zalde by KO in Round 2 of 6

Win vs Roel Honor 4-8-1

Aug 26, 2007 Daanbantayan Sports Center, Daanbantayan, Cebu, Philippines

John Riel Casimero WINS against Roel Honor by UD in Round 6 of 6

Win vs Andrew Pal 0-0-0

Aug 16, 2007 Alcoy Multi-Purpose Sports Complex, Alcoy, Cebu, Philippines

John Riel Casimero WINS against Andrew Pal by RTD in Round 1 of 4

Win vs Lobert Bayo 2-1-0

Jun 03, 2007 Gethsemane Parish Grounds, Barangay Maguikay, Mandaue City, Cebu, Philippines

John Riel Casimero WINS against Lobert Bayo by UD in Round 4 of 4

Stats

John Riel Casimero “Quadro Alas”

  • WINS 31
  • LOSSES 4
  • DRAWS 0
  • KOs 21

Weight 118 lbs (53.64 kg)

Height 5'4" (1.63 m)

Reach 64" (163 cm)

  • Born

    February 13, 1989
  • Age

    32
  • Country

    Philippines
  • Born in

    Ormoc City, Leyte
  • Trains in

    Ormoc City, Leyte
  • Stance

    Orthodox
  • Rounds Boxed

    234
  • KO Percentage

    60%
  • Boxing Hero

Fighter data provided by BoxRec Ltd. View disclaimer

Bio

John Riel Casimero Bio

Proudly representing the Philippines, John Riel Casimero is one of the hardest hitters in the game. The brash, unorthodox slugger currently holds the WBO World Bantamweight title and is on the hunt to unify in one of the game's best divisions.

The Road Warrior

John Riel Casimero was not quite a teenager in 1998 when his trip to a boxing gym – borne from a bullying incident in the streets of his native Leyte, Philippines – Introduced him to his path out of destitution.

“It began when a boxing coach saw me having a fist fight against three other kids who were bullies. He told me I had the potential to be a boxer because I managed to fight all three of those kids and I was beating all of them,” said Casimero.

“I started boxing at the young age of eight. My childhood was simple. I came from poverty. I finished high school and focused on boxing at the age of sixteen. I chose boxing because it is the only way to escape poverty and I also loved it.”

Casimero, whose nickname, “Quadro Alas,” translates into “Four Aces,” channeled that fury into a superlative amateur career during which he lost only three of 197 bouts.

“I became a two-time gold medalist in the Palarong Pambansa [games],” said Casimero. “It’s the most prestigious national amateur tournament in the Philippines.”

An 18-year-old Casimero won his first four professional bouts in 2007 comprising four- and six-round unanimous decisions over Loberto Bayo (June) and Roel Honor (August) and first- and second-round knockouts of Andrew Pal (August) and Dodong Zalde (December), with 10 days separating the victories over Honor and Pal.

Casimero went 7-0 (4 KOs) in 2008, his stoppages coming in the third round over Jerome Bontog (March), the first round over Honor (June), the third over Roemart Sentillas (July) and the fifth over Phaiboon Chumthong (October). 

The year also included six-, eight- and 10-round decisions over Rogen Flores (January), Daryl Amoncio (April) and Rodel Quilaton (August).

At 11-0 (6 KOs), Casimero already had competed at weights ranging from 108-to-119 ½ pounds. From the inception of his professional career, Casimero would win nine times in 10 different countries including Argentina, China, England, Mexico, Nicaragua, Panama, South Africa, Thailand and the United States.

“You gotta look this up,” said Sean Gibbons, Casimero’s American advisor. “I don’t even know if that’s ever been done in the history of boxing.”

The Strong Man

Casimero went 4-2 (3 KOs) spanning 2009 through 2011, ending with a first-round knockout of Sentillas (October) in his lone bout of the final year.

Casimero’s 2009 featured an eight-round unanimous decision over Allan Ranada (May) preceding eighth- and 11th-round TKOs of Ardin Diale (May) and Cesar Canchila (December), the latter for the WBO’s interim 108-pound title. Just 20 days separated Ranada and Diale, and Casimero thrice floored Canchila, who entered at 28-2 (22 KOs).

But Casimero lost back-to-back championship bouts in 2010 and 2011 by split-decision and fifth-round TKO. In the former, Casimero was dethroned by southpaw Ramon Garcia Hirales (July). He then fell to IBF titleholder Moruti Mthalane (March) in the latter. 

Casimero stormed back to go 8-1 (6 KOs) spanning 2012 through 2016, winning his second 108-pound belt as well as a 112-pound title along the way.

Casimero’s 2012 comprised a 10th-round TKO of Luis Alberto Lazarte for the IBF’s 108-pound championship in February, and August’s one-knockdown, split-decision in his first defense against Pedro Guevara, who entered at 18-0-1 (13 KOs).

Casimero won twice each in 2013 and 2014, the former featuring a unanimous decision over Luis Alberto Rios for his second IBF title defense in March, as well as October’s third defense by 11th-round TKO of Felipe Salguero. Rios entered at 18-1-1 (13 KOs).

Casimero rose in weight in 2014, scoring a first-round knockout of Mauricio Fuentes in March and a second-round knockout of Armando Santos in December. Casimero missed against Fuentes and could not win the IBF’s vacant 112-pound title.

Fuentes entered at 16-2 (10 KOs) but was floored three times and halted for the first time in his career, and Santos was dropped twice by Casimero

Casimero went 2-1 over the course of 2015 and 2016, splitting bouts with Thailand’s Amnat Ruenroeng. Casimero hit the deck twice during a unanimous decision loss in June 2015 to Ruenroeng, whom he dethroned as IBF’s 112-pound champion in May 2016 via two-knockdown, fourth-round knockout.

Ruenroeng was 16-0 (5 KOs) in victory, and 17-1 in defeat against Casimero, whose lone defense was a 10th-round TKO of Charlie Edwards in June 2016, dropping the loser to 8-1 (3 KOs).

Casimero went 6-1 (5 KOs) over the course of 2017 through 2019. He split bouts in the first year as a six-round unanimous decision victory over Jecker Buhawe (June) preceded a 12-round unanimous decision loss to unheralded Jonas Sultan.

But Casimero reeled off five straight stoppage wins as a second-round TKO of Jose Pech in July 2018 preceded those in 2019 in the sixth, 12th, 10th and third rounds over Kenya Yamashita (February), Ricardo Espinoza Franco (April), Cesar Ramirez (August) and Zolani Tete (November).

Casimero won the WBO’s interim bantamweight title against Espinoza, defended it against Ramirez, and twice floored Tete to become the WBO’s full champion, joining Manny Pacquiao, Nonito Donaire Jr. and Donnie Nietes as the fourth three-division Filipino title winner. 

"All my opponents are good fighters,” said Casimero. “But me, I'm a strong man.”

Casimero vs. Micah: September 26, 2020 (PBC on SHOWTiME PPV)

Bring On The Best

Casimero earned his third defense and sixth straight stoppage victory in September 2020 against Duke “The Baby Faced Terminator” Micah of Ghana, who entered at 24-0 (19 KOs). 

Micah was floored once by a second-round right before a barrage of unanswered blows forced a referee’s stoppage in the third round. 

Casimero’s fourth defense was August’s split-decision victory over two-time Olympic gold medalist Guillermo Rigondeaux, an elusive southpaw who entered at 20-1 (13 KOs) but lost, 116-112, and 117-111, with the third judge scoring for Rigondeaux, 115-113.

“I wanted the knockout,” said Casimero. “I did my best to knock him out, but Rigondeaux was running. There was no fighting.”