Ryan Sloan and Kade Anderson Profile as Seattle Aces in the Making

The Seattle Mariners boast two of the game’s most promising young arms. Second and third respectively in a highly regarded farm system, Ryan Sloan and Kade Anderson also reside in the front half of our 2026 Top 100 Prospects list. Sloan, a 20-year-old right-hander, ranks 20th, while Anderson, a 21-year-old southpaw, comes in at no. 50.
How do the two compare in terms of repertoire and approach? Both are profiled in the write-ups that accompany the aforementioned rankings, but what about how the pitchers see themselves? Moreover, how are they viewed by a catcher who knows them well and a prominent member of the organization’s pitching brain trust? Wanting to find out, I spoke to Anderson and Sloan, as well as to Luke Stevenson and Trent Blank, at Seattle’s spring training complex late last month.
Before we get to those perspectives, here are brief snapshots, augmented with quotes from our prospect analyst team of Eric Longenhagen, Brendan Gawlowski, and James Fegan:
Drafted third overall last year out of LSU, Anderson, who threw his first professional pitch this spring, was described as follows: “Maybe the best pitcher in the 2025 draft, [he] projects as a quick-moving mid-rotation starter with a great breaking ball.”
Sloan, who was drafted 55th overall in 2024 out of York Community High School in Elmhurst, Illinois, debuted professionally last season and logged a 3.73 ERA, a 3.18 FIP, and a 27.0% strikeout rate over 82 innings between Low-A Modesto and High-A Everett. “The upside is sky-high here,” wrote our prospect analysts, “and it’s not too early to say Sloan is one of the best pitching prospects in baseball.”
Blank serves as Seattle’s director of pitching strategy, so let’s start with his thoughts. Read the rest of this entry »






