Dolphins quarterback Tua Tagovailoa‘s offseason workouts have included jiu-jitsu lessons to help protect him against hits to his head. But that isn’t all he has done. Tagovailoa, who the Dolphins listed at 6-foot-1, 217 pounds last season, has gained muscle since the end of last season. “Offseason training’s been good,” Tagovailoa said Monday, via David [more]