Mario Manningham agrees to 2-year contract with San Francisco 49ers Sportsnet Staff March 18, 2012, 1:52 PM Sportsnet Staff March 18, 2012, 1:52 PM Sportsnet.ca no longer supports comments. LATEST NFL NEWS Steelers could have Watt back for 'AFC North championship' game vs. Ravens 12 hours ago Cowboys release cornerback Trevon Diggs 12 hours ago Patriots receiver Stefon Diggs faces strangulation charges, denies allegations 13 hours ago Report: Colts to start rookie QB Riley Leonard over Philip Rivers in Week 18 16 hours ago Northwestern hires Chip Kelly as offensive coordinator 17 hours ago Brees, Fitzgerald lead Pro Football Hall of Fame modern era finalists 17 hours ago Stafford's three interceptions hurt MVP case, Rams' chances of winning 1 day ago Robinson runs for 195 yards as Falcons upset Rams on 51-yard field goal 1 day ago