This Labor Day weekend tune into some Sunday afternoon boxing on CBS. 168-pound champ Anthony Dirrell looks to rebound after losing Badou Jack this past April. Marco Antonio Rubio, also coming off a lost to the hard hitting Gennady Golovkin looks to impress & redeem his career. Also on the telecast is Jamie McDonnell taking on Tomoki "El Mexicanito" Kameda in a 12-round rematch. The action is live from American Bank Center, Corpus Christi, Texas starting @ 4pm ET / 1pm PT.