‘The first-round pick out of Alabama was busy back-slapping teammates and flashing a toothy grin among reporters Monday, a day after the sack-happy Bills’ 23-0 win over the Washington Redskins. Dareus had 2 1/2 of Buffalo’s nine sacks in helping the team improve to 5-2 heading into an AFC East showdown against the New York Jets (4-3) this weekend.’