Center Jack Depler was a consensus first-team All-American.[2] Depler was selected as a first-team center by the Frank Menke Syndicate.[3] He was the only Big Ten player to be named a consensus All-American in 1918.[2]
Tackle Burt Ingwersen, guard Albert Mohr, and halfback Jesse Kirkpatrick received first-team All-Big Ten honors.[4][5] Ingwersen was also the acting team captain.[6]
On October 5, 1918, Illinois opened its season with a victory over the team from Chanute Aviation Field from Rantoul, Illinois. The Illini won, 3–0, before a crowd of 2,500 in Urbana, Illinois. The game's only points were scored by Illinois guard Leitsch on a field goal from the 38-yard line. The Chanute team was led by Archie Weston, who had played for Michigan in 1917. Eleven planes from the Chanute Field flew over the game.[7] Illinois had originally been scheduled to play Iowa State on the date, but that game was canceled due to travel restrictions.[8]
On October 26, 1918, Illinois lost, 7–0, against Chicago Naval Reserve a team from the United States Naval Reserve School at Chicago's Municipal Pier. The game was played in Urbana, Illinois. Due to health concerns, "the gates were barred and the spectators limited to coaches, water carriers, officials, and the few others necessary to pull off a contest."[10]
On November 2, 1918, Illinois defeated Iowa, 19–0, at Iowa City. Illinois scored touchdowns in the second, third, and fourth quarters. The Des Moines Register credited Illinois' victory to "perfectly executed forward passes and machinelike teamwork."[11][12]
On November 9, 1918, Illinois defeated Wisconsin, 22–0, before a crowd of 7,000 at Camp Randall Field in Madison, Wisconsin. According to the Chicago Daily Tribune, the Badgers were "outclassed and outweighed" while the Illini "fought like wildcats" and had the Badgers on the defensive through most of the game.[13]
On November 16, 1918, Illinois defeated Ohio State, 13–0, on a muddy field in Champaign, Illinois. Kirkpatrick and Sabo scored touchdowns for Illinois.[14]