Final answer:
The University of Chicago holds a 4-0 football record against Princeton University, making it the only school undefeated against Princeton in football.
Step-by-step explanation:
The University of Chicago is 4-0 in football against Princeton University, making it the only school that is undefeated against them. This historical sports tidbit is part of the legacy of UChicago's football program, which was once a powerhouse in the early days of college football. While the University of Chicago no longer competes in Division I football, its past victories remain a point of pride, particularly the unblemished record against a prestigious program such as Princeton's.