Nick Bosa is done for the year after suffering a torn ACL on Sunday – but the Niners have found a former Pro Bowler to replace him.

On Monday, the team signed former Lions and Seahawks DE Ezekiel Ansah to a $3 million contract.

A former top-five draft pick, Ansah’s best season came in 2015 when he racked up 14.5 sacks for Detroit.  Last season he played in 11 games for the Seahawks, with 18 tackles, 2.5 sacks and two forced fumbles.

Can Ansah regain his old Pro-Bowl form, or is he finished?  Why was he still available on the free agent market?