The Facts: The 49ers are signing Barkley, a source tells NFL Network's Ian Rapoport.

Diehards Line:Barkley showed some positive traits in his six starts with the Bears last season but struggled with turnovers, primarily in the final three games of the year. He tossed 10 interceptions in the final three weeks. In total, the former USC standout threw for 1,611 yards with eight touchdowns and 14 interceptions. The 49ers also signed Brian Hoyer, who suffered an injury in Week 7 last season that led to Barkley's first start with the Bears.