http://www.si.com/nfl/2016/12/11/dolphins-ryan-tannehill-acl-knee-injury-update Dolphins quarterback Ryan Tannehill has an ACL injury and will miss the rest of the season, Miami radio host Andy Slater reports. Tannehill was injured on a low hit from Cardinals defensive end Calais Campbell and ruled out for the rest of Sunday’s game. He was able to leave the field and walk to the locker room under his own power.