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Summit Park Celtics (AA) Major Transactions |  | | | | Friday, September 12th, 2025 | | Signed hitting coach J. Mangrum. | | Thursday, September 11th, 2025 | | Signed manager S. Holmes. | | Monday, September 8th, 2025 | | Fired manager S. Nicholas. | | Signed Pitching Coach D. Thornton to a 2-year contract extension. | | Hitting Coach F. Árias leaves the team, his contract was not renewed. | | Signed Head Scout K. Roberts to a 1-year contract extension. | |
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