Getty Detroit Lions running back David Montgomery showed off his leg strength with an "unreal" workout video on July 9. The Detroit Lions have battled through adversity all season, with injuries sidelining several of their key players. According to NFL Network’s Ian Rapoport, who appeared on NFL GameDay this morning , the Lions are set to receive a significant boost heading into the playoffs. Three of their biggest stars—running back David Montgomery , linebacker Alex Anzalone , and defensive