Jack Pardee
In case you forgot, Jack Pardee is the only head coach to work in college football, the NFL, the United States Football League, the World Football League, and the Canadian Football League. He was inducted to the College Football Hall of Fame as a player in 1986. Overall, in the NFL his stats are 87–77.
Ted Marchibroda
Marchibroda had an impressive career, he started off in 1961 as an assistant for the Washington Redskins before he joined the Los Angeles Rams in 1966. He would also serve as offensive coordinator under George Allen for the Redskins. He got his first head coaching job with the Baltimore Colts in 1975. In his first year in fact, he actually turned the Colts into an instant playoff contender as they won the AFC East title.