In its sixth season under head coach William "Butch" Cowell,[c] the team compiled an 8–1–1 record, only losing to Dartmouth, while outscoring their opponents by a total of 234 to 66.

[d] Although The Granite yearbook described the September 24 contest against USMC Portsmouth as a "practice game",[1] the result is listed by College Football Data Warehouse and the Wildcats' media guide.

[13] A newspaper article about the next season's rematch noted that the USMC team was composed of Marine Corps personnel working at the Portsmouth Naval Prison in nearby Kittery, Maine.

[15] It was one of two contests the Cadets played on October 1; before losing to New Hampshire, Army defeated Springfield College that same day.

Other than 1943 and 1945, when New Hampshire did not field teams due to World War II, 1921 remains the most recent season without a New Hampshire–Maine game.