49ers re-sign LB Mark Nzeocha, release DE Cassius Marsh

SANTA CLARA, Calif. (AP) — The San Francisco 49ers have re-signed linebacker Mark Nzeocha to a three-year contract and released defensive end Cassius Marsh.
The Niners also agreed to a deal with restricted free agent running back Raheem Mostert on Friday. Mostert’s agent Brett Tessler says his client will sign a three-year deal.
Marsh was one of the team’s top edge rushers last year with 5½ sacks but became expendable after the team traded for Dee Ford this week and gave