The Ravens released Jefferson on February 14, 2020.
The Arizona Cardinals signed Jefferson as an undrafted free agent out of Oklahoma in 2013. He registered 21 tackles and three passes defensed through his five games in 2019, per Pro Football Reference.
Jefferson, 29, has recorded 451 tackles, 8.5 sacks, 22 passes defensed, four interceptions, a touchdown, and eight forced fumbles through his seven NFL seasons.
Related News
More San Francisco 49ers News
-
Former 49ers owner Eddie DeBartolo Jr.'s blunt message on 31-year Super Bowl drought
Beloved former San Francisco 49ers owner Eddie DeBartolo Jr. attended a screening of AMC's docuseries "Rise of the 49ers" on Tuesday night, set to premiere this Sunday. His former team recently wrapped another season without reaching its ultimate goal: a sixth Vince Lombardi... -
49ers mailbag: Will SF trade Mac Jones? Is there anything to electrical substation talk? Will 49ers be spenders in free agency?
Can't get enough of the San Francisco 49ers? We can help with that. We're back with a brand-new 49ers Webzone Mailbag. We asked for your best 49ers questions, and you came through with several good ones. Thank you for submitting those. Before we jump into the mailbag, be sure... -
49ers named among NFL teams who could trade for pass rusher Maxx Crosby
The San Francisco 49ers' defense desperately needs to improve its pass rush in 2026. Robert Saleh's defense in 2025 was the worst at getting to the quarterback. That's not necessarily a reflection on Saleh. It's more of an indication of the players the 49ers fielded—or didn't... -
Chris Simms details where the 49ers must improve this offseason
Despite an injury-plagued 2025 season, the San Francisco 49ers still managed to finish with 12 wins and added a playoff victory over the defending Super Bowl champion Philadelphia Eagles. The roster showed resilience throughout the year, consistently overcoming...