Report: Manziel seen in Vegas on Saturday despite concussion

After Johnny Manziel’s Christmas activities spawned his latest viral video this week, Browns coach Mike Pettine said that there were “problems” that quarterback Johnny Manziel needs to address during the offseason. Pettine and the Browns didn’t have to deal with the question of whether to discipline Manziel this week after he reported concussion symptoms. Manziel…