The San Francisco 49ers looked to be turning the corner and getting healthy ahead of their Week 1 matchup against the Seattle Seahawks at Lumen Field, but running back Christian McCaffrey was unfortun...

San Francisco 49ers star running back Christian McCaffrey was added to the team’s injury report with a calf injury three days before the season opener.

If McCaffrey doesn't play against the Seahawks, San Francisco will presumably rely on Brian Robinson and Isaac Guerendo at running back.