RFA 16 has a new co-main event later this month, and the winner will fight for the bantamweight title. Joe Murphy  (7-1) has been forced out of his fight against  Jarred Mercado (11-1), and  Jake Klemme (10-2) now will step into the No. 1 contenders fight at 135 pounds. RFA officials recently announced the change to the fight card. RFA 16 is set for July 25 at 1STBANK Center in Broomfield, Colo., near Denver. In the headlining bout, Josh Copeland meets Jan Jorgensen (6-0) for the promotion’s inaugural heavyweight belt.