The 49ers are not finished shopping for a defensive lineman. A league source confirmed the team is battling the Chicago Bears for free agent defensive lineman Israel Idonije. The 32-year-old lineman started 11 games last season as a defensive end in Chicago's 4-3 defense, finishing with 48 tackles and a solid 7 ½ sacks. NFL.com was first to report the 49ers' interest. Idonije had a half sack in a 32-7 loss to San Francisco this past season...
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