Yewcic had a career long 46-yard run in the Patriots 14–10 loss to the Denver Broncos on September 29, 1963. His career longest reception was 46 yards in their 45–17 rout of the Denver Broncos on September 16, 1961. Yewcic's longest punt was 70 yards in their 27–23 win over the New York Jets on November 28, 1965. Yewcic holds the team record for the longest run by a Patriots punter in a regular season game: a 20-yard gain in the Patriots 26–16 win over the Oakland Raiders at Boston University Field on October 26, 1962.