Getty Milwaukee Bucks star Giannis Antetokounmpo left Monday’s matchup against the Cleveland Cavaliers after suffering a left groin injury that stopped him in his tracks during the second quarter. The Bucks announced he would not return , and head coach Doc Rivers provided the first real glimpse into the team’s concern after the 118-106 loss, per Bleacher Report. Rivers told reporters the injury “didn’t look great,” adding that Antetokounmpo would undergo an MRI on Tuesday. He grabbed at the