He played at the tackle position for the Harvard Crimson football team in 1904 and 1905 and was selected as a first-team All-American in 1905.
If I play football again it means that I shall fail to get my degree in four years, and I cannot afford a fifth.
"[1][2] In addition to the toll the game had taken on his studies, Bill denounced football on moral grounds, stating that the human body was not meant to withstand the strain that football demands and adding, "I don't believe the game is right.
from Harvard in 1908, Brill returned in 1910 to pursue a Bachelor of Science, also developing a system of minimalist dieting that he believed would allow him to live 125 years.
[5] The 1918 Harvard Alumni Bulletin reported that Brill was a captain of engineering stationed at Camp Humphreys in Virginia.