In its fifth non-consecutive season under head coach Justus F. Soule, a professor of Latin and Greek, the team compiled a 0–1–1 record.
[1] The 1899 season included the first scheduled game with Colorado Agricultural College (now known as Colorado State University), a series that became Wyoming's oldest rivalry, now known as the Border War.
After the forfeit was called and the Colorado Agricultural players began leaving the field, official McArthur reportedly exclaimed that he "did not give a damn for the rules" and instructed the Wyoming team to run in a touchdown.
Following the game, Colorado Agricultural President Barton Aylesworth declared that his school would not play Wyoming in any athletic event until he received a written apology from the school.
[2] The two schools played again the following year, and there has remained bad blood between the two programs since.