At Chumash Resort Casino, Santa Ynez, Calif. (ESPN2), Rustam Nugaev vs. Denis Shafikov, 12, lightweights; Jose Pedraza vs. Juan Carlos Martinez, 10, super featherweights.
At Erfurt, Germany, Yoan Pable Hernandez vs. Firat Arslan, 12, for Hernandez's IBF cruiserweight title.
At StubHub Center, Carson, Calif. (SHO), Shawn Porter vs. Kell Brook, 12, for Porter's IBF welterweight title; Sakio Bika vs. Anthony Dirrell, 12, for Bika's WBC super middleweight title; Omar Figueroa vs. Daniel Estrada, 12, for Figueroa's WBC lightweight title.
At Pechanga Resort & Casino, Temecula, Calif. (ESPN2), Austin Trout vs. Daniel Dawson, 10, junior middleweights.
At Fairfield, Calif. (FS1, Manuel Avila vs. Sergio Frias, 10, junior featherweights.
At Tecate, Mexico, Javier Mendoza vs. Ramon Garcia Hirales, 12, for the vacant IBF light flyweight title.
At Shanghai, China, Randy Petalcorin vs. Wisanu Kokietgym, 12, for vacant WBA interim junior flyweight title; Ik Yang vs. Sukkasem Kietyongyuth, 10, junior welterweights.
At Tokyo, Japan, Akira Yaegashi vs. Roman Gonzalez, 12, for Yaegashi's WBC flyweight title; Naoya Inoue vs. Samartlek Kokietgym, 12, for Inoue's WBC junior flyweight title.
At Hamburg, Germany, Wladimir Klitschko vs. Kubrat Pulev, 12, for Klitschko's IBF-WBO-IBO-WBA Super World heavyweight titles.
At Belfast, Northern Ireland, Kiko Martinez vs. Carl Frampton, 12, for Martinez's IBF super bantamweight title.
At U.S. Bank Arena, Cincinnati (SHO), Adrien Broner vs. Emmanuel Taylor, 12, super lightweights; Lucas Martin Matthysse vs. Michael Perez, 12, junior welterweights.
At Mexico City, Juan Francisco Estrada vs. Giovani Segura, 12, for Estrada's WBA Super World and WBO flyweight titles.
At Nakhon Ratchasima, Thailand, Amnat Ruenroeng vs. McWilliams Arroyo, 12, for Ruenroeng's IBF flyweight title.
At MGM Grand, Las Vegas (PPV), Floyd Mayweather, Jr. vs. Marcos Rene Maidana, 12, for Mayweather's WBA Super World and WBC welterweight titles.
At Helsinki, Finland, Richar Abril vs. Edis Tatli, 12, for Abril's WBA World lightweight title.
At Mesquite, Texas (FS1), Anselmo Moreno vs. Juan Carlos Payano, 12, for Moreno's WBA Super bantamweight title.
At Moscow, Krzystof Wlodarczyk vs. Grigory Drozd, 12, for Wlodarczyk's WBC cruiserweight title; Denis Lebedev vs. Pawel Kolodziej, 12, for Lebedev's WBA cruiserweight title.