Prospect Rankings
2015
| Player | Position | Current Team | Bats | Throws | |||
|---|---|---|---|---|---|---|---|
| 1 | 
Alex Jackson | C |  Minnesota Twins | MLB | 30 | R | R |
| 2 | 
D.J. Peterson | 1B |  Colorado Rockies | AAA | 34 | R | R |
| 3 | 
Ketel Marte | SS/2B |  Arizona Diamondbacks | MLB | 32 | S | R |
| 4 | 
Patrick Kivlehan | OF/1B/3B |  Chicago White Sox | AAA | 36 | R | R |
| 5 | 
Gabriel Guerrero | OF | - | - | 32 | R | R |
Mariners Prospect Highlights
00:30
Michael Arroyo's two-run homer
February 20, 2026
00:44
Breaking down #9 prospect Colt Emerson
January 24, 2026
01:02
Top Prospects: Jonny Farmelo, OF, Mariners
January 20, 2026
01:00
Top Prospects: Lazaro Montes, OF, Mariners
January 19, 2026
01:04
Top Prospects: Colt Emerson, SS, Mariners
January 16, 2026
00:53
Top Prospects: Michael Arroyo, 2B, Mariners
January 15, 2026
00:56
Top Prospects: Kade Anderson, LHP, Mariners
January 9, 2026
00:57
Top Prospects: Ryan Sloan, RHP, Mariners
January 9, 2026