The San Francisco 49ers and defensive tackle Sen'Derrick Marks have agreed to a one-year deal.
The 49ers officially announced Marks' signing on Wednesday.
A second-round draft pick in 2009, Marks has played for the Tennessee Titans and Jacksonville Jaguars in his eight-year NFL career.
Marks tore his ACL in Week 17 of the 2014 season and was placed on injured reserve after Week 10 of the 2015 season with a torn triceps. The 30-year-old did play in all 16 games for the Jaguars last season, recording 3.