By Madison Williams The wide receiver suffered the injury after being hit hard in the first quarter of Sunday’s game. Lions wide receiver Amon-Ra St. Brown has been ruled out of Sunday’s game against the Cowboys with a concussion. The wideout was taken to the team’s medical tent on the sideline after taking a hard hit to the head. He appeared to lose his balance while standing up from the hit, and an official then sent him to the sideline. St. Brown is now added to a long list of offensive injuries for the Lions right now. Wide receiver DJ Chark is on the injured reserve list with an ankle inj…