SAN FRANCISCO 49ERS (15-4)

UNRESTRICTED FREE AGENTS: WR Emmanuel Sanders, C Ben Garland, DT Sheldon Day, DE Anthony Zettel, TE Levine Toilolo, WR Jordan Matthews, CB Jason Verrett, DT Earl...

SANTA CLARA, Calif. (AP) — The San Francisco 49ers have signed defensive tackle Earl Mitchell to a contract for the playoffs Wednesday and waived defensive back Antone Exum Jr.

RENTON, Wash. (AP) — The Seattle Seahawks added needed depth on their defensive line by signing tackle Earl Mitchell on the eve of training camp.

SAN FRANCISCO 49ERS (2-14)

New faces: Coach Kyle Shanahan, QB Brian Hoyer, WR Pierre Garcon, WR Marquise Goodwin, WR Aldrick Robinson, DE Elvis Dumervil, DT Earl Mitchell, RB Kyle Juszczyk, OL Laken Tomlinson, K Robbie Gould, DC Robert Saleh; rookies DL Solomon Thomas, LB Reuben Foster, QB C.J. Beathard, TE George Kittle.

MIAMI DOLPHINS (10-7)

New faces: QB Jay Cutler, TE Julius Thomas, LB Lawrence Timmons, TE Anthony Fasano, first-round pick DE Charles Harris, DE William Hayes, S Nate Allen, S T.J. McDonald.

Key losses: Defensive coordinator Vance Joseph, LT Branden Albert, TE Dion Sims, S Isa Abdul-Quddus, TE Jordan Cameron, DE Mario Williams, DT Earl Mitchell.

SAN FRANCISCO 49ERS (2-14)

OPEN CAMP: July 28, SAP Performance Facility, Santa Clara, California

SANTA CLARA, Calif. (AP) — When Earl Mitchell got a head start on free agency after being released last week by the Miami Dolphins, the San Francisco 49ers managed to sell him on familiarity with coaches rather than past success for the team.

SANTA CLARA, Calif. (AP) — The San Francisco 49ers agreed to a four-year contract with free-agent defensive tackle Earl Mitchell on Friday.

A person familiar with the deal confirmed that Mitchell had decided to join the Niners just over a week after being released by Miami. The person spoke on condition of anonymity because the signing had not been announced by the team.

NFL.com first reported the deal, saying Mitchell would get a $16 million deal with $5.5 million paid in the first year.

DAVIE, Fla. (AP) — The Miami Dolphins put on hold their planned release of left tackle Branden Albert when another team expressed interest in a trade shortly before the roster move was completed Thursday.

The Dolphins told Albert he won't be with them for the 2017 season. No trade can be completed until the start of the league year March 9.

The decision to part with Albert clears the way for 2016 first-round draft pick Laremy Tunsil to move over from guard.

DAVIE, Fla. (AP) — Miami Dolphins defensive tackle Earl Mitchell, sidelined since Week 1 because of a calf injury, has been activated from injured reserve.

Mitchell, who has 33 career starts, is expected to play Sunday at San Diego.

DAVIE, Fla. (AP) — Miami Dolphins defensive tackle Earl Mitchell, sidelined since Week 1 because of a calf injury, has been activated from injured reserve.

Mitchell, who has 33 career starts, is expected to play Sunday at San Diego.

RUTHERFORD, N.J. (AP) — Quarterback Eli Manning won't play in the New York Giants' preseason opener against the Miami Dolphins.

Coach Ben McAdoo announced the decision Friday morning, hours before the game at MetLife Stadium.

McAdoo, who is in his first season as the Giants coach after spending the last two as their offensive coordinator, says he knows what Manning can do.

Ryan Nassib, who has thrown 10 passes in his first three seasons with the Giants,...