Highlights

Robert Helenius (30-3, 19 KOs) scored an upset victory over previously unbeaten Adam Kownacki (20-1, 15 KOs) by stoppage in the fourth round of a WBA Heavyweight Title Eliminator March 7, 2020.

Unbeaten Caleb "Sweethands" Plant dominates Vincent Feigenbutz, scoring a 10th round technical knockout victory and retaining his IBF Super Middleweight World Title on February 15, 2020, live on FOX from Bridgestone Arena in Plant's hometown of Nashville, Tennessee.

Despite being down on the judges scorecards for the majority of the fight, Abel Ramos digs deep to score a technical knockout victory over Bryant Perrella with one second left in the 10th and final round of their welterweight bout on February 15, 2020, live on FOX from Bridgestone Arena in Nashville, Tennessee.

Diego Magdaleno scored a unanimous decision upset victory over Austin Dulay after 10 rounds of action in their lightweight bout on February 15, 2020, live on FOX from Bridgestone Arena in Nashville, Tennessee. Magdaleno improves to 32-3 (13 KOs).

WBC Featherweight World Champion Gary Russell Jr. successfully defended his title by winning a unanimous decision over mandatory challenger Tugstsogt Nyambayar live on SHOWTIME Saturday night in a Premier Boxing Champions event from PPL Center in Allentown, Pa. Russell won by the scores of 118-110, 117-111 and 116-112.

39-year old Guillermo Rigondeaux moved down in weight to win a world title in a second-division, capturing the vacant WBA Bantamweight World Title with a split-decision win against former champion Liborio Solís.39-year old Guillermo Rigondeaux moved down in weight to win a world title in a second-division, capturing the vacant WBA Bantamweight World Title with a split-decision win against former champion Liborio Solís.

Unbeaten top prospect Michel Rivera (18-0, 12 KOs) defeated veteran contender Fidel Maldonado Jr. (27-5-1, 20 KOs) by technical knockout in a lightweight co-main event attraction on PBC on FS1.

Hard-hitting prospect Raymond Guajardo (5-1, 4 KOs) suffered the first loss of his pro career as Clay Collard (6-2-3, 2 KOs) was able to stop Guajardo by technical knockout in the second stanza of their super welterweight scrap.

Unbeaten prospect Omar Juarez (7-0, 4 KOs) defeated Mexico’s Angel Martinez (19-19-1, 12 KOs) in a super lightweight showdown. Juarez scored a seventh-round knockdown en route to a wide unanimous decision (80-71, 80-71, 79-73).

Top Cuban welterweight Yordenis Ugas (25-4, 12 KOs) defeated Mike Dallas Jr. (23-4-2, 11 KOs) by seventh-round technical knockout in a showdown that headlined FS1 PBC Fight Night and on FOX Deportes Saturday from Beau Rivage Resort Casino in Biloxi, Mississippi.