A fifth-round draft choice out of Illinois by Buffalo in 2001, the 6-5, 325-pound Sullivan played in 32 games with 22 starts over the past three seasons for the Bills. He played in 10 games with two starts (one at left tackle and one at right tackle) as a rookie in 2001. In his second season, Sullivan started all 16 games at right guard for the Bills. The 26-year old Sullivan was inactive for the first eight weeks of the 2003 season before starting the last four games of the year at left tackle. Sullivan was born on Feb. 2, 1978 in Chicago.