Getty San Francisco 49ers HC Kyle Shanahan The San Francisco 49ers ‘ injury luck continues to show snake eyes after a team leader left the Miami Dolphins game with a calf injury. During the road trip to Miami, LB Dre Greenlaw had to leave the field of play with a calf issue. Greenlaw just recently returned to the team after spending the past 9 months recovering from an Achilles tear. “ #SFvsMIA @DignityHealth injury update: Dre Greenlaw is questionable with a right calf injury,” the team’s