The 1948 Lima "Terriers" continued play in a newly named league after the Terriers had played the 1947 season as a member of the Class D level
Ohio State League, which changed names for the 1948 season. The
Muncie Reds joined seven returning Ohio State League teams in beginning league play on May 2, 1948. The Lima franchise continued play in 1948, when the Ohio State League changed names. The Lima Terriers were an affiliate of the
Chicago White Sox in 1948. The
Marion Cubs, Muncie Reds,
Newark Yankees,
Portsmouth A's,
Richmond Roses,
Springfield Giants and
Zanesville Dodgers joined Lima in league beginning Ohio–Indiana League play on May 2, 1948. With a record of 57–83, Lima ended the 1948 Ohio–Indiana League regular season in eighth place. Managed by
Charlie Engle, the Terriers finished 25.5 games behind the first place Zanesville Dodgers and did not qualify for the four–team playoffs, won by Zanesville. Managed by
Grover Hartley and George Kinnamon, the Chiefs had a regular season record of 46–91 to finish in eighth place. Lima finished 34.0 games behind the first place Portsmouth A's and did not qualify for the playoffs, won by the
Marion Red Sox. Lima became a minor league affiliate of the
Philadelphia Phillies in 1950, and began play as the Lima "Phillies," missing the Ohio–Indiana League playoffs. With an 52–85 record, the Phillies placed sixth in the eight team league, playing the season under manager
Frank McCormick, a former major league All–Star player and 1940 Most Valuable Player. Lima finished 37.0 games behind the first place
Marion Red Sox in the regular season standings. In their final season of play, the 1951 Ohio–Indiana League compacted to become a five–team league to begin the season. The Newark Yankees won the first–half title in a split–season schedule, with the first half-season schedule ending on June 18, 1951. Newark then folded on July 17, 1951, leaving four remaining teams, Lima included, completing the second half of the season. Lima finished fourth and last in the final regular season standings. At the conclusion of the season, the Phillies finished 49.5 games behind the
Marion Red Sox in the overall standings with a 41–86 record, playing the season under returning manager
Barney Lutz. After a playoff won by the Marion Red Sox, the Ohio–Indiana League permanently folded following the completion of the 1951 season. ==The ballparks==