| Football, baseball|
| Louisiana Tech|
| 11–1 (football)
17–3–1 (baseball)|R. Foster Clark Wikipedia
R. Foster Clark was a football and baseball head coach at Louisiana Tech University. Clark has the highest winning percentage of any football and baseball head coach in Louisiana Tech history. Clark finished the 1921 football season undefeated with 6 wins and 0 losses and became Louisiana Intercollegiate Athletic Association champions.