Bowen lists quarterback Mitchell Trubisky among five rookies who could make significant jumps in 2018 and running back Tarik Cohen as one of "the next five."
Bowen notes that Trubisky "showed flashes of his athleticism and arm talent" last year as a rookie when he passed for 2,193 yards and seven touchdowns and rushed for 248 yards and two TDs while starting the final 12 games.
"He showed the ability to anticipate throwing windows," Bowen wrote. "And with [first-year head coach Matt] Nagy & Co. installing a system that will better cater to Trubisky’s talent, the arrow is pointing up on the former No.