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Seattle Mariners
Development Update |  | | Saturday, July 12th, 2008 | | Starting Pitcher P. Cerda (AZL Mariners, Rookie League) pitching potential DROPS. |
| Tuesday, July 8th, 2008 | | Second Base B. Womack (San Antonio Missions, Double A) hitting potential DROPS. |
| Saturday, July 5th, 2008 | | Starting Pitcher B. Tindell (Inland Empire 66ers, Single A) pitching potential INCREASES. | | Starting Pitcher E. O'Brien (Inland Empire 66ers, Single A) pitching potential DROPS. |
| Thursday, July 3rd, 2008 | | Reliever T. Ushiba (AZL Mariners, Rookie League) pitching potential DROPS. |
| Thursday, June 26th, 2008 | | Reliever G. Endora (AZL Mariners, Rookie League) pitching potential DROPS. |
| Wednesday, June 25th, 2008 | | Third Base J. Reyes (Everett AquaSox, Short Season A) hitting potential INCREASES. |
| Sunday, June 22nd, 2008 | | Reliever J. Mateo pitching potential INCREASES. |
| Tuesday, May 20th, 2008 | | Left Field R. Cason (Wisconsin Timber Rattlers, Single A) hitting potential DROPS. |
| Saturday, May 10th, 2008 | | Starting Pitcher C. Owen (Inland Empire 66ers, Single A) pitching potential DROPS. |
| Tuesday, May 6th, 2008 | | Third Base M. Geist (Wisconsin Timber Rattlers, Single A) hitting potential DROPS. |
| Wednesday, April 30th, 2008 | | Catcher C. Martin (Inland Empire 66ers, Single A) hitting potential DROPS. |
| Monday, April 21st, 2008 | | Reliever A. Trolia (Inland Empire 66ers, Single A) pitching potential DROPS. |
| Tuesday, April 8th, 2008 | | Second Base T. MacCrouther (Wisconsin Timber Rattlers, Single A) hitting potential INCREASES. |
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