The Jaybirds had a record of 32-24 (.571) in the inaugural 1977 APSPL season. They defeated
Milwaukee Copper Hearth 2–1 in the first round of the playoffs before losing 2–1 to the eventual champion
Detroit Caesars in the semi-finals. It was a competitive series against the league-best Caesars as pitcher Shelly Hoffman took advantage of the spacious Trechter Park in Cincinnati to negate the power-bats of Detroit and outfielder Jim Vaccarina made some stellar defensive plays to upset Detroit in the opener of the best of three series. Detroit roared back in the second game (22-5), and Cleveland lost the shot at the upset 8-6 in the third game with 2-run homer by Caesar Gary Geister in the 4th inning making the difference. Detroit beat the
Baltimore Monuments in the finals with Mike Nye of Detroit as the World Series MVP. Cleveland finished the 1978 season with a 32-32 (.500) record, advancing to the playoffs, defeating the
Philadelphia Athletics 2–1 in the first round. The Detroit Caesars again got in their way, defeating the Jaybirds 2-0 (27-22, 30-24) in a high scoring series. Detroit would repeat as APSPL champions, defeating the
Minnesota Norsemen 4–0 with series MVP Bert Smith hitting 15-16 (.940). Jim Bizzell (.566, 45 HRs, 108 RBIs) of Cleveland made the all-APSPL team. Jaybird Bobby Reid (.519, 24 HRs, 88 RBIs, 120
runs scored) was solid again and Dana Andry (.517, 44 HRs, 117 RBIs) provided additional power for Cleveland. The team, now playing as the Stepien's Competitors, in 1979 and finished the year 33-31 (.516), again advancing to the playoffs. Cleveland lost in the first round 3–0 to eventual the eventual champions
Milwaukee Schlitz, with World Series and league MVP Rick Weiterman, who defeated Kentucky 5–3 in the championship. Of note, the games were broadcast nationwide on the new start-up sports network
ESPN as their first live games covered. Roger Wilt of Cleveland made the all-APSPL team in 1979. Fred Miller (.477, 29 HRs, 86 RBIs) had a stellar year and Jim Bizzell (37 HRs), Dana Andry (31 HRs) and Dave Watson (26 HRs) added power to the Competitors line-up. ==Cleveland in the NASL==