He played for Fritz Crisler's Princeton Tigers football team at Princeton University that went 25–1 during Weller's three years on the team. Weller later became known as a firearms expert and published several works on munitions and military history.
While playing for Princeton University's football team under coach Fritz Crisler, Weller led his team to a remarkable 25-1 record over his three seasons.  Later in life, he gained renown as a firearms specialist and authored numerous publications on the subject of weaponry and military history.