Why aren't running backs able to carry teams like they were able to before? - Quora
Collecting Cowboys, Dolphins and star RBs in 1972 - Sports Collectors Digest
1972 Sports Illustrated SUPER BOWL VI COWBOYS vs Miami Dolphins DUANE THOMAS
1972 Dolphins to celebrate 50th anniversary: Here's why Miami had to play in Pittsburgh in AFC Championship
Sports Collectors Digest - Malta Libraries - OverDrive
Miami Dolphins Football 1972 Vintage Sports Memorabilia for sale
Who are the best quarterbacks of all time? - Quora
Players of the Perfect Season: 1972 Topps Miami Dolphins