Panthers general manager Scott Fitterer says Darnold is starter but the job is up for grabs If the Carolina Panthers’ third round pick and rookie quarterback Matt Corral takes over the starter’s job by Week 1, it sure would make for a big headline. At least it’s a possible scenario from what we’re hearing from Panthers general manager Scott Fitterer. While Sam Darnold is currently penciled into the starter’s role, that could change come September, Fitterer told Pro Football Talk’s Mike Florio. He said that the rookie will play if he “gives us the best opportunity to win.” “Sam is…