Josh Rosen takes over as starting quarterback for Miami Dolphins
Flores made the move to Rosen, a second-year player who was traded in the offseason from the Arizona Cardinals, on Thursday.
UCLA Bruins quarterback Josh Rosen (3) throws a pass against the Texas A&M Aggies during a NCAA football game at the Rose Bowl in Pasadena, California, September 3, 2017.(photo credit: KIRBY LEE/USA TODAY/VIA REUTERS)ByMARC BRODSKY/JTA