McCoy reportedly will make $26.5 million in guaranteed salary and is set to make $16 million during his first year in Buffalo.
He was acquired by the Bills from the
Despite an inconsistent 2014 season, McCoy is considered one of the league's top running backs. He led the NFL with 1,607 rushing yards in 2013, but was limited to 1,319 yards and five touchdowns last season behind an offensive line hobbled by injuries.
Since joining the league in 2009, McCoy ranks third in total rushing yards (6,792) and fourth in touchdowns (44).