Highlights

Highlights from the best fight action of August.

In one of the biggest upsets of the year, unheralded Argentine David Emanuel Peralta shocked former two-division champion Robert Guerrero, winning a 12-round split decision in a 147-pound clash.

Carlos Gongora gained a stunning first-round TKO against Ronald Mixon in a 175-pound bout.

David Grayton capped a strong performance with an eighth-round TKO of Kareem Martin in a 147-pound bout.

Caleb Plant was dominant as he earned a 10-round unanimous decision over Juan De Angel in a 168-pound bout.

Undefeated rising star Errol Spence Jr. scored a devastating sixth-round knockout of Leonard Bundu to win a 147-pound world title eliminator.

In his first fight in 27 months, 2008 Olympic bronze medalist Yordenis Ugas handed Jamal James the first loss of his career, winning a one-sided, 10-round unanimous decision.

Miguel Flores remained unbeaten with a hard-fought 10-round unanimous decision over Ryan Kielczweski in a battle of 126-pound title contenders.

PBC's USA Boxing Olympic alums give their advice to this year's USA boxing team based on their own experiences.

Powerful 19-year-old prospect David Benavidez broke down Denis Douglin to gain a 10th-round TKO.