 Gailey was previously the offensive coordinator of Kansas City and head coach of Georgia Tech and the Dallas Cowboys, going 8–0 in the division in 1998, and leading the team to the postseason in both 1998 and 1999.With the expiration of Terrell Owens' contract in March 2010, the Bills chose not to re-sign him.As 2010 began, the Bills lost to Miami at home.