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Seattle Mariners
Development Update |  | | Friday, March 30th, 2029 | | Reliever T. Stroud (Charleston Raccoons, Rookie League) pitching potential INCREASES. |
| Monday, March 26th, 2029 | | Starting Pitcher P. Moreno pitching potential DROPS. |
| Saturday, March 24th, 2029 | | Second Base N. Madrigal (Bakersfield Saws, Double A) hitting potential INCREASES. |
| Monday, March 12th, 2029 | | Reliever D. Campbell (Saint Paul Buckshots, Triple A) pitching potential DROPS. |
| Saturday, March 3rd, 2029 | | Reliever J. Fajardo (Charleston Raccoons, Rookie League) pitching potential DROPS. |
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