San Francisco 49ers defensive end Cassius Marsh (54) against the Los Angeles Rams during the first half of an NFL football game Sunday, Dec. 31, 2017, in Los Angeles.
San Francisco 49ers defensive end Cassius Marsh (54) against the Los Angeles Rams during the first half of an NFL football game Sunday, Dec. 31, 2017, in Los Angeles. Rick Scuteri AP
San Francisco 49ers defensive end Cassius Marsh (54) against the Los Angeles Rams during the first half of an NFL football game Sunday, Dec. 31, 2017, in Los Angeles. Rick Scuteri AP
On the 49ers

On the 49ers

The latest Niners news with Chris Biderman

49ers sign pass rusher Cassius Marsh to a contract extension

February 07, 2018 12:21 PM