Yewcic was also a three-year letterwinner in football (1951-53) and earned All-America status in 1952 by NBC-TV after leading the Spartans to an undefeated 9-0 season and the consensus national championship. As the team's starting quarterback, he completed 41-of-95 passes for 941 yards, then a school season record, and 10 touchdowns. In his first game as a starting quarterback, he was 7-of-14 passing for 171 yards and rallied the Spartans to a 27-13 win at Michigan. Yewcic was just the second Spartan QB to reach the 200-yard passing mark when he threw for 202 yards in the 48-6 win over Texas A&M.