Teddy McGraw made his Double-A debut after multiple rehab assignments and Grant Knipp will be making his A-ball debut.

Left-handed pitcher Kade Anderson (No. 6 MLB Pipeline top 100; No. 2 Mariners prospect) and right-hander Ryan Sloan (No. 21 ...

Colt Emerson’s rise, Ryan Sloan’s surge and Kade Anderson’s dominance have turned the Mariners’ farm system into a flex.

Kade Anderson led Louisiana State to victory in the 2025 College World Series. The left-hander has been even better for the ...

The Seattle Mariners have three of the top 10 prospects and five total in Baseball America's updated Top 100 rankings.

Highly touted Seattle Mariners prospect Lazaro Montes has belted five home runs in his past six games at Double-A Arkansas, ...

The Mariners have two of baseball's best pitching prospects in Kade Anderson and Ryan Sloan. Here's how they're bonding and ...

One of the Seattle Mariners' top pitching prospects, right-hander Ryan Sloan, dominated in his most recent Double-A start.

The Mariners are promoting top prospect Colt Emerson to the majors. He arrived at T-Mobile Park before the start of Sunday's game.

The Seattle Mariners recalled top prospect infielder Colt Emerson prior to Sunday’s game against the San Diego Padres.

Lazaro Montes keeps giving Mariners fans reasons to be excited about the future. Seattle's No. 4 prospect (MLB No. 30) per ...

Ex-Seattle Mariners top prospect Jarred Kelenic signed a minor league contract with the Texas Rangers on Monday. The Rangers have signed Jarred Kelenic to a minor league deal. — Shawn McFarland ...