sentences:  The following week, he had three tackles and recovered a pair of fumbles against the Buffalo Bills.Robison posted 15 tackles and 2.0 sacks, and recovered two fumbles as the Vikings finished the season with a 6–10 record.Following the departure of Ray Edwards in 2011, Robison became a full-time starter and had a break-out year, starting all 16 games at left defensive end and recording then career-highs in tackles with 44, sacks with 8.0 that ranked second on the team behind Jared Allen (who had a league-best 22.0) and forced fumbles with 3.