Joe Williams went into training camp eager to show what he can do after being sidelined in 2017 by an injury.
Now the second-year running back has been hit with another injury, putting his time with the 49ers in jeopardy.
Williams suffered a fractured rib in Saturday’s exhibition game loss to the Texans in Houston and could be headed for injured reserve. He rushed for 18 yards on eight carries against the Texans and had two catches for 14 yards.
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