Although he split kicking duties with Mike Clark, he did get his share of time on the field for Dallas. During the 1972 regular season he kicked 21 field goals. He was also a member of the Dallas Cowboys team that won Super Bowl VI over the Miami Dolphins.
1973 saw Fritsch lead the league with an impressive 43 extra point attempts, and 100% conversion rate.
An injury sidelined Fritsch for the 1974 season. He was back on the field in 1975 however, leading the league in field goals with 22. Following that season, in 1976, Fritsch was traded to the San Diego Chargers.