The San Francisco 49ers will sign Alfred Morris after losing two running backs to injuries recently.

Morris was scheduled to meet the 49ers in Houston, where the team will have joint practices this week against the Texans before Saturday's preseason game.

He spent two seasons with Kyle Shanahan when the latter was the offensive coordinator for the Washington Redskins (2012-13).

Jerick McKinnon suffered a calf strain in Sunday's practice and will sit out this week before being re-evaluated next week. Matt Breida sustained a separated shoulder in Thursday's preseason game and will miss the rest of the preseason.