That is why head coach Kyle Shanahan needs to let running back Isaac Guerendo out of the doghouse to try and boost the rushing attack. San Francisco ranks 28th in rushing this season, and the offense has precisely zero rushing touchdowns on the season. However, the 49ers' passing game ranks 13th and the run game ranks 28th. He has just 225 rushing yards in four games this season, and there are no quick fixes to remedy the situation. It's time 49ers unleash Isaac GuerendoThat is why it would not hurt to try and get Guerendo involved in the rushing attack.