Manziel won’t get first-team reps right away

Browns rookie quarterback Johnny Manziel got plenty of first-team reps during offseason workouts.  He won’t be getting any in training camp, at least not initially. “He will get reps with the ones at some point,” coach Mike Pettine told Tony Grossi of ESPNCleveland.com.  “But early on . . .  we only talked about how we…