The Rams will have running back Zac Stacy for this weekend's game against the 49ers, the St. Louis Post-Dispatch reports.
Stacy sustained a concussion this past Sunday against the Bears. The Rams have seen their running game sparked since Stacy became the starter. This season, Stacy has 624 yards and four touchdowns.
Also passing the NFL's concussion protocol for the Rams were left guard Chris Williams and cornerback Trumaine Johnson.
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Aaron Wilson covers the Ravens for The Baltimore Sun.
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