NFL players need to take personal responsibility for their growth because relying solely on team-provided development or coaching is insufficient.

“that part of it is at least with the NFL, you really have to invest in yourself away from the facility and away from the team. And if you don't do that, your career short-lived.”

Players must actively invest in their own development away from the team because NFL coaches often lack the specific expertise to improve a player's individual skills.

“when you get to your team, it's not all the time, but 90% of the time, your coach ain't going to tell you how to get open. He don't know. Cuz if you're a receiver or you're a tight end, your coach is an old lineman. What the [ __ ] he know about running a route? He don't watch somebody run a route.”