Mark Seale

Donald "Mark" Seale (born March 10, 1960, in Halifax, Nova Scotia) is a former professional Canadian football defensive lineman who played seven seasons in the Canadian Football League for three teams.

Seale was selected as a territorial exemption by the Ottawa Rough Riders in the 1982 CFL Draft. He was also the 12th round selection of the New York Giants in the 1982 NFL Draft.

Seale attended Sir Wilfrid Laurier Secondary School in Ottawa, Ontario, where he lettered in both hockey and football. He also played for the Ottawa Sooners for two seasons before attending the University of Richmond in Virginia, where he earned a Bachelor of Arts degree in 1982.