Negotiations have reached a standstill in the Buffalo Bills' bid to sign defensive tackle Marcell Dareus to a long-term contract, two people familiar with the talks told The Associated Press on Thursday. Selected with the third pick in the 2011 draft out of Alabama, Dareus has been a four-year starter and established himself as one of the NFL's top young defensive linemen. The Bills have already committed a large portion of their payroll toward the defensive line. More...