From 1947–1949 and again in 1951–1952, The team was named the
Williamsport Tigers were a AA affiliate of the
Detroit Tigers. Detroit had a working relationship with Williamsport from 1946 until 1952. Earle Halstead was a former
American Association umpire and businessman from
Dearborn, Michigan. Halstead gave up his business ventures in favor of owning the Williamsport team in 1945. Halstead arranged for the Williamsport franchise to have a working agreement with the Detroit Tigers of the American League. The Tigers had been the
1945 World Series champions. Local fans were hopeful that the Tigers would fill the roster of the Williamsport team with better players that had previously been sent to Williamsport by the
Washington Senators and
Philadelphia A's. The Tigers took control of the franchise in 1947 and improved Bowman Field by spending $40,000 to repair flood damage and installing
grandstand seats from
Briggs Stadium in Detroit. The Williamsport Grays changed their name to the Tigers for the 1947 season. This was their second year of affiliation with Detroit Tigers, and it was the first time that the Eastern League team in Williamsport was known as something other than the Grays. The 1947 club was managed by
George Detore. The Tigers finished in 5th place of an eight team league with a record of 67 wins and 74 losses. The 1948 season saw the Tigers have a change in manager with
Gene Desautels taking over. The Tigers finished in fourth place in the Eastern League and reached a one-game playoff for the final spot in the league playoffs. The Tigers lost that game to the
Hartford Chiefs.
Lou Kretlow who would go on to play in the majors for the Tigers,
St. Louis Browns,
Baltimore Orioles,
Chicago White Sox and the A's was named the league's Most Valuable Player. The Tigers slipped back into mediocrity during the 1949, 1951 and 1952 seasons. Notable players and managers to pass through Williamsport during these years included,
Jack Tighe,
Schoolboy Rowe and
Hall of Famer Jim Bunning. The franchise was sold at the end of the 1952 season to five anonymous businessmen for $7,500. The Tigers era ended at the same time when the team was once again aligned with the Philadelphia A's and the Williamsport Grays name was restored. ==Williamsport Athletics and Williamsport Grays, 1953-1962==