Seattle Mariners
Development Update |  | | Thursday, September 22nd, 2033 | | Center Field C. Jefferson (Park Hills Springers, Single A) hitting potential DROPS. |
| Tuesday, September 20th, 2033 | | Reliever B. Teague pitching potential DROPS. |
| Friday, September 16th, 2033 | | First Base N. Sullivan (Charleston Raccoons, Rookie League) hitting potential INCREASES. |
| Wednesday, September 14th, 2033 | | Reliever P. Ewing (Charleston Raccoons, Rookie League) pitching potential INCREASES. |
| Wednesday, August 31st, 2033 | | Starting Pitcher C. Moore (Bakersfield Saws, Double A) pitching potential DROPS. |
| Wednesday, August 17th, 2033 | | Reliever P. Ewing (Charleston Raccoons, Rookie League) pitching potential DROPS. |
| Tuesday, August 16th, 2033 | | Starting Pitcher L. Otero (Charleston Raccoons, Rookie League) pitching potential DROPS. |
| Thursday, August 4th, 2033 | | Center Field H. Ball (Charleston Raccoons, Rookie League) hitting potential DROPS. |
| Wednesday, August 3rd, 2033 | | Starting Pitcher C. Gallegos (Charleston Raccoons, Rookie League) pitching potential DROPS. |
| Monday, July 18th, 2033 | | Reliever M. LaRiviere (Charleston Raccoons, Rookie League) pitching potential DROPS. |
| Thursday, July 14th, 2033 | | Starting Pitcher J. Herold (Park Hills Springers, Single A) pitching potential DROPS. |
| Saturday, July 9th, 2033 | | Reliever J. Fajardo (Park Hills Springers, Single A) pitching potential INCREASES. |
| Tuesday, July 5th, 2033 | | Starting Pitcher J. Parker (Charleston Raccoons, Rookie League) pitching potential DROPS. |
| Thursday, June 30th, 2033 | | Starting Pitcher J. Herold (Park Hills Springers, Single A) pitching potential DROPS. |
| Tuesday, June 21st, 2033 | | Reliever G. Valverde (Park Hills Springers, Single A) pitching potential DROPS. |
| Sunday, June 12th, 2033 | | Starting Pitcher R. Pérez pitching potential DROPS. |
| Saturday, June 4th, 2033 | | Starting Pitcher S. Mitchell (Saint Paul Buckshots, Triple A) pitching potential DROPS. | | Reliever D. Ortíz (Charleston Raccoons, Rookie League) pitching potential DROPS. |
| Tuesday, May 24th, 2033 | | Starting Pitcher I. Anderson pitching potential DROPS. |
| Saturday, May 21st, 2033 | | Center Field M. Kaiser hitting potential DROPS. | | Right Field P. Taylor (Park Hills Springers, Single A) hitting potential INCREASES. |
| Friday, May 13th, 2033 | | Reliever D. Jones (Bakersfield Saws, Double A) pitching potential DROPS. |
| Saturday, May 7th, 2033 | | Right Field P. Taylor (Park Hills Springers, Single A) hitting potential INCREASES. | | Starting Pitcher D. Albert (Charleston Raccoons, Rookie League) pitching potential INCREASES. |
| Wednesday, May 4th, 2033 | | Starting Pitcher P. Turner (Bakersfield Saws, Double A) pitching potential DROPS. |
| Tuesday, May 3rd, 2033 | | Center Field A. Ortíz (Saint Paul Buckshots, Triple A) hitting potential INCREASES. |
| Monday, May 2nd, 2033 | | Catcher M. Baker (Charleston Raccoons, Rookie League) hitting potential DROPS. |
| Friday, April 29th, 2033 | | Second Base N. Madrigal (Saint Paul Buckshots, Triple A) hitting potential INCREASES. |
| Wednesday, April 27th, 2033 | | Third Base W. Dunn (Charleston Raccoons, Rookie League) hitting potential INCREASES. |
| Tuesday, April 12th, 2033 | | Closer M. Reyes (Bakersfield Saws, Double A) pitching potential DROPS. |
| Monday, April 11th, 2033 | | Second Base L. Yan (Charleston Raccoons, Rookie League) hitting potential DROPS. |
| Tuesday, March 29th, 2033 | | First Base W. Wyatt hitting potential DROPS. |
| Monday, March 28th, 2033 | | Starting Pitcher M. Watson (Charleston Raccoons, Rookie League) pitching potential DROPS. |
| Wednesday, March 16th, 2033 | | Starting Pitcher G. Holloway (Saint Paul Buckshots, Triple A) pitching potential DROPS. | | Reliever R. Spencer (Saint Paul Buckshots, Triple A) pitching potential INCREASES. |
| Tuesday, March 15th, 2033 | | Reliever D. Spencer (Saint Paul Buckshots, Triple A) pitching potential DROPS. |
| Wednesday, March 9th, 2033 | | Starting Pitcher D. Badger pitching potential INCREASES. |
| Tuesday, March 8th, 2033 | | Reliever G. Valverde (Charleston Raccoons, Rookie League) pitching potential INCREASES. | | Reliever J. López (Bakersfield Saws, Double A) pitching potential DROPS. |
| Monday, March 7th, 2033 | | Reliever S. Davis (Park Hills Springers, Single A) pitching potential DROPS. |
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