49ers coach Kyle Shanahan says LB De’Vondre Campbell refused to enter the game
San Francisco 49ers LB Dre Greenlaw returned for the first time since tearing his left Achilles tendon in the Super Bowl last season. He had eight tackles in the first half but played sparingly in the second half. Veteran LB De’Vondre Campbell, who lost his starting role when Greenlaw returned, refused to enter the game…