Campbell joined the Saskatchewan Roughriders in 1963 and "Gluey Hughy", as he became known, was a key element of their Grey Cup winning team in 1966.
Campbell retired as an active player after the 1969 season to take up a head coaching job with Whitworth College in Spokane, Washington.
During his seven-year tenure, Campbell revived the moribund Pirates football program and was named conference coach of the year three times.
Following the 1982 season, Campbell left the CFL to become head coach of the USFL's Los Angeles Express.
Campbell and his wife Louise have four children, daughters Molly, Jill and Robin and son, Rick, who is the former head coach of the BC Lions.