Matt Rhule says Sam Darnold-Baker Mayfield QB competition will come down to performance on field | CBS Sports Headlines Matt Rhule says Sam Darnold-Baker Mayfield QB competition will come down to performance on field There are still many unknowns heading into the Panthers’ season ESN FeedsThis post was originally published … Continue reading Matt Rhule says Sam Darnold-Baker Mayfield QB competition will come down to performance on field