The 49ers made another important in-season addition Tuesday at a position of need.
San Francisco has agreed to terms with free agent defensive tackle Sebastian Joseph-Day, a source told NBC Sports Bay Area.
Former player Jason McCourty, now with the NFL Network, was the first to break the news.
Sebastian-Day, 28, who is in his sixth season in the NFL, has played in 69 career games with 68 starts. He was a member of the Los Angeles Rams’ 2021 Super Bowl-winning team.
A sixth-round pick of the Rams in the 2018 NFL Draft, Joseph-Day (6-foot-4, 310 pounds) spent four seasons with the club. He was not active during his rookie season.
He signed a three-year, $24 million free agent deal with the Chargers last year.
Joseph-Day played in 30 games over the past two seasons with the Los Angeles Chargers, recording 88 tackles and five sacks. He was chosen as team captain with the Chargers.
After the Chargers fired coach Brandon Staley and general manager Tom Telasco last week, the club’s new regime waived Joseph-Day.
After clearing waivers, Joseph-Day agreed to a contract with the 49ers. This decision should be made official on Wednesday, according to a source.
The 49ers need additional depth on the defensive line with the uncertain status of Arik Armstead. Armstead has missed the last three games with foot and knee issues.
Coach Kyle Shanahan on Monday described Armstead as being in the same situation.
“We will see how the rehabilitation goes this week,” he said.
With Armstead out of action, the 49ers opted to rotate Javon Hargrave, Javon Kinlaw, Kevin Givens and TY McGill at defensive tackle in the 49ers’ 33-19 loss to the Baltimore Ravens on Monday night.
The 49ers made midseason trades for defensive ends Chase Young and Randy Gregory and recently signed defensive backs Logan Ryan and Jason Verrett.
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