The stamps featuring boxing icon Muhammad Ali will debut on Thursday.
Undefeated UFC bantamweight champion Ronda Rousey will seek her seventh title defense against former world-champion boxer Holly Holm on Jan. 2 in Las Vegas.
The Nevada State Athletic Commission voted unanimously to fine UFC light heavyweight champion Jon Jones and Daniel Cormier for their participation in a brawl on Aug. 4 inside the lobby of the MGM Grand Hotel and Casino.
