Mike Pettine is a believer in Dwayne Bowe

Sure, receiver Dwayne Bowe underachieved after signing a market-value contract in Kansas City. Yeah, he missed the first game of the 2014 season due to an off-field incident involving a leafy substance the NFL inexplicably still cares about. Right, he enters 2015 needing only one touchdown reception to exceed his total from last season. Regardless…