GREEN BAY, Wisc. – After leading rusher Matt Breida went down with an ankle injury in the 49ers’ Week 5 game, coach Kyle Shanahan turned to No. 3 running back Raheem Mostert.
Mostert fumbled on his first rushing attempt, one of the 49ers’ five turnovers on the day. Then, Shanahan did not sugarcoat what he thought of Mostert’s performance in the loss to the Arizona Cardinals.
“He challenged me in front of the whole team and the whole staff,” Mostert said Monday night after the 49ers’ 33-30 loss to the Green Bay Packers. “He had a talk with me and he said, ‘I know you can do better.