William Proctor is a former starting quarterback for the Clemson Tigers at Clemson University in the Atlantic Coast Conference in NCAA Division I-A, and for the Calgary Stampeders of the Canadian Football League. He attended Trinity Preparatory School. In 2003 at Clemson, as third-string QB, he saw the field in four games at wide receiver. He was the backup of Charlie Whitehurst until the 2006–2007 season. In his first start at Clemson, he recorded 232 yards of total offense against the Duke Blue Devils in 2005. In the 2006-2007 regular season, Proctor completed 60% of passes.