The Knickerbocker Athletic Club was an early amateur and later professional football team based in New York City from around 1897 until 1902. The team is best known for participating in the 1902 World Series of Football. During the event, the Knickerbockers defeated the Warslow Athletic Club from Long Island by a score of 11-6. However the Knickerbockers were defeated by the Syracuse Athletic Club, 36-0, on New Year's Eve. During the 1903 World Series of Football, the Olympic Athletic Club defeated Knickerbockers 6-0, on December 14, 1903.
On Thanksgiving Day 1897, the Knickerbockers traveled to Chicago to play the Bankers Athletic Club. The Knickerbockers lost that game 46-8. On October 15, 1898, the team was reportedly defeated by the Duquesne Country and Athletic Club from Pittsburgh, by a score of 45-0. Other records show that the team battled the Orange Athletic Club to scoreless games in 1898 and 1899, while the team defeated the Orange 12-0 on November 19, 1898. However the records show Orange defeating the Knickerbockers 11-10 on November 7, 1899. On October 18, 1903, the Knickerbockers defeated a team of United States Marines from the Brooklyn Naval Yards, 47-0.
- Carroll, Bob (1980). "The First Football World Series". Coffin Corner (Professional Football Researchers Association) 2 (Annual): 1–8. http://www.profootballresearchers.org/Coffin_Corner/02-An-054.pdf.
- "Indoor Football Games: Knickerbockers Defeat Warlow A.C. in Heavyweight Class". New York Times (December 31). 1902. http://query.nytimes.com/mem/archive-free/pdf?res=F00F17FE34591B728DDDA80B94DA415B828CF1D3.
- "Berkley Oval Football; Duquesne Club Eleven Beats the Knickerbocker Team by 45 to 0.". New York Times (October 16). 1898. http://query.nytimes.com/gst/abstract.html?res=F10611FA3F5C11738DDDAF0994D8415B8885F0D3.
- Orange Athletic Club of New Jersey: Complete Football Records
- Peterson, Robert W. (1997). Pigskin: The Early Years of Pro Football. Oxford University Press. ISBN 0-19-511913-4. http://books.google.com/?id=rCnbhSRZpgIC.
- Facts on File, Inc (1900). The World Almanac & Book of Facts. Press Publishing Company.
- "Marines Beaten at football". New York Times (October 19). 1903. http://query.nytimes.com/mem/archive-free/pdf?res=F50F1FF83F5D11738DDDA00994D8415B838CF1D3.
- "Liverly Indoor Football". New York Times (December 15). 1903. http://query.nytimes.com/mem/archive-free/pdf?res=F30E13FC3E5D11738DDDAC0994DA415B838CF1D3.