San Francisco linebacker Dre Greenlaw has officially been ruled out of Sunday’s contest at the Miami Dolphins.

In his second game back from a torn left Achilles, San Francisco 49ers linebacker Dre Greenlaw was again unable to finish all four quarters on Sunday afternoon. More than a week after De'Vondre Campbell declined to go into the game for an injured Greenlaw and was subsequently suspended for the final three games for conduct detrimental to the team,