Prospect Rankings
2026
| Player | Position | Team | Height / Weight | Bats | Throws | ||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 
Colt Emerson | SS |  Seattle Mariners | MLB | 2026 | 20 | 6' 0" / 195 lbs | L | R |
| 2 | 
Kade Anderson | LHP | Seattle Mariners | AA | 2027 | 21 | 6' 2" / 179 lbs | L | L |
| 3 | 
Ryan Sloan | RHP | Seattle Mariners | AA | 2028 | 20 | 6' 5" / 220 lbs | R | R |
| 4 | 
Lazaro Montes | OF | Seattle Mariners | AA | 2027 | 21 | 6' 5" / 210 lbs | L | R |
| 5 | 
Michael Arroyo | 2B/OF | Seattle Mariners | AA | 2026 | 21 | 5' 10" / 160 lbs | R | R |
Mariners Prospect Highlights
00:07
Colt Emerson draws a walk in MLB debut
May 18, 2026
00:32
The moment Colt Emerson gets the call to the Majors!
May 17, 2026
00:48
Mariners call up No.1 prospect Colt Emerson
May 17, 2026
00:17
Top prospect Colt Emerson homers, has three-hit game
May 6, 2026
00:22
Watch Arkansas Travelers vs. Midland RockHounds
April 2, 2026
02:25
Jerry Dipoto discusses Colt Emerson's extension
April 1, 2026
01:03
Colt Emerson and Mariners agree to 8-year extension
March 31, 2026
00:29
Yorger Bautista's solo home run
March 20, 2026