49ers placed WR Mario Manningham on injured reserve with left ACL and PCL tears, ending his season. Manningham will be questionable for 2013 training camp, and it's questionable whether he'll even make it that far as a 49er. His two-year contract signed in March was backloaded with non-guaranteed money, leaving the Niners on the hook for a $3.6 million base salary and $250,000 roster bonus. Manningham is also eligible for a $100,000 workout bonus based on offseason participation.