Getty Images Browns veteran Joel Bitonio backed Joe Flacco. Joe Flacco may not be eager to wear the title of “mentor,” but his presence as a leader for the Cleveland Browns is undeniable. The 40-year-old veteran rejoined the Browns this offseason following a brief stint with the Indianapolis Colts . He now finds himself in a quarterback group that includes Kenny Pickett , as well as rookies Dillon Gabriel and Shedeur Sanders . Earlier this offseason, Flacco made it clear that he’s not