‘“There will be some growing pains,” Frazier said. “As mature as he is and as athletic as he is, it’s still the National Football League, and it’s pro football, with a lot of details week to week. And each game plan is not like we’re going to play the exact same defense week to week. You need a guy who has the wherewithal to handle those changes and who can deal with the ups and downs in a game and a season.”’