UFC 173 Update: Chael Sonnen vs. Wanderlei Silva Rescheduled

Only a few days ago, the UFC announced that the grudge match between Wanderlei Silva and Chael Sonnen would be co-headlining UFC 173 in Las Vegas.  Now it has been announced that the UFC will be moving that match to be the main event of a Fox Sports 1 card on May 31st, a week after UFC 173.  The card will act as the Finale for TUF Brazil 3, which both men are coaches to the all Brazilian cast.  According to Dana White, the two coaches have already come to blows while filming the show in Brazil.