** If this is a repost, mods please merge/move ** http://msn.foxsports.com/boxing/story/10475222/Herschel-Walker-to-make-MMA-debut-in-Jan. SUNRISE, Fla. (AP) - Herschel Walker will make his mixed martial arts debut next month. Walker starred for the Cowboys, among other teams, in the NFL after winning the Heisman at the University of Georgia. The 1982 Heisman Trophy winner will face an opponent to be announced as part of a fight card at the Florida Panthers' arena on Jan. 30. Walker recently entered a 12-week training camp in San Jose, Calif., after signing a multi-fight contract with promoter Strikeforce. The former NFL running back holds a fifth-degree black belt in Tae Kwon Do.