By Matt Audilet NBA Hall of Famer Charles Barkley and back-to-back NFL MVP Aaron Rodgers have a fun bet set aside for this weekend’s American Century Championship celebrity golf tournament. If Barkley finishes ahead of Rodgers this weekend, the NBA on TNT host gets to cut off the quarterback’s man bun. If Rodgers wins, Barkley will donate $25,000 to the North Valley Community Foundation in Rodgers’ hometown of Chico, California. “Just because you’re too cheap to cut your hair, you can’t make it a style,” Barkley joked during a promotional appearance for the event last month. “Man, here’s $25. …