The UP team was selected by the Big Ten head coaches.
The 1957 Ohio State Buckeyes football team, under head coach Woody Hayes, won the conference championship and placed three players on the first team: halfback Don Clark (AP-1, UP-1); guard Aurealius Thomas (AP-1, UP-1); and end Leo Brown (AP-1, UP-2).
Thomas was also selected as a first-team All-American by the AP and American Football Coaches Association.
[1] The 1957 Michigan State Spartans football team, under head coach Duffy Daugherty, finished in second place and placed six players on the first team: quarterback Jim Ninowski (AP-1, UP-1); halfback Walt Kowalczyk (AP-1, UP-1); center Dan Currie (AP-1, UP-1); tackle Pat Burke (AP-1, UP-1); end Sam Williams (AP-2, UP-1); and guard Ellison Kelly (UP-1).
[2] The 1957 Iowa Hawkeyes football team, under head coach Forest Evashevski, finished third and placed three players on the first team: tackle Alex Karras (AP-1, UP-1); end Jim Gibbons (AP-1, UP-1); and guard Frank Bloomquist (AP-1, UP-2).