Will second-year DTs Sione Fua and Terrell McClain create more of a definitive push? DTs combined for just 6 ½ sacks last season. Fua and McClain finished 2011 on IR and, in their absence, DTs Frank Kearse, Jason Shirley and Andre Neblett spearheaded second-half stability. With DT Ron Edwards returning from IR, can the interior line match depth with push?