EJ Manuel's surgery is complete and was successful. Doug Marrone believes he'll be day to day after the preseason concludes while a FOXSports.com report says he's been given a 2-4 week timetable.

Buffalo Bills quarterback EJ Manuel had successful surgery on his injured left knee on Sunday morning and has been given a 2-4 week timetable for his recovery according to Peter Schrager of FOXSports.com. Bills head coach Doug Marrone confirmed the procedure - as well as the fact that he'll miss the remainder of the preseason - but did not rule him out for Week 1 against the New England Patriots.