Featherweight Gary Russell Jr., the 2011 ESPN.com prospect of the year, will have to wait even longer for his 2012 debut after suffering an ankle injury, a source involved in the fight told ESPN.com on Tuesday night.

Featherweight Gary Russell Jr., the 2011 ESPN.com prospect of the year, will have to wait even longer for his 2012 debut after suffering an ankle injury, a source involved in the fight told ESPN.com on Tuesday night.

Junior middleweight Deandre Latimore and welterweight prospect Jessie Vargas, both of whom are with Floyd Mayweather's promotional company, Mayweather Promotions, have been given coveted slots on Mayweather's upcoming pay-per-view undercard.

American Claressa Shields won the 75-kilogram title Saturday night in the American Boxing Confederation's Women's Elite Continental Championships, outpointing three-time world champion Mary Spencer of Canada 27-14.

Japan's Shinsuke Yamanaka defended his WBC bantamweight title on Friday with an unanimous decision over Australia's Vic Darchinyan.

Heavyweight contenders Tomasz Adamek and Eddie Chambers will meet June 16 at the Prudential Center in Newark, N.J., where Adamek, a native of Poland living in Jersey City, N.J., is a major draw.

Julio Cesar Chavez Jr. will defend his middleweight title against Andy Lee on June 16 on HBO's "World Championship Boxing" at the Sun Bowl in El Paso, Texas, both camps said Tuesday after agreeing to terms.

Denis Lebedev retained his interim WBA cruiserweight title Wednesday by knocking out challenger Shawn Cox of Barbados in the second round at Moscow's Crocus City Hall.

Puerto Rico's Professional Boxing Commission has suspended the license of former WBO featherweight champion Juan Manuel Lopez for one year for criticizing a referee after his March 10 loss to Mexico's Orlando Salido.

Koki Kameda of Japan retained his WBA bantamweight title on Wednesday with an unanimous decision over Indonesian fighter Nouldie Manakane.