Prospect movers

Who changed trajectory, and whether the card market has noticed. Everything here is measured from two full seasons of official stat lines and the player's standardized benchmark card — never a hot week, never an asking price.

Overall119 Breakout Radar14 Baseball up / cards flat0 Young for level18 Promotions57 Trending down54 Watch closely25

Credible developmental change before the card market has necessarily responded: a measured improvement of real size, while young for the level or freshly promoted, on a rated player. Youth alone is not a breakout and neither is one number.

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1Ryan Sloan
SPAge 20Double-ASeattle Mariners
promoted Low-A → Double-A · Missing more bats and walking fewer batters than last season, against better hitters — 21.8% to 27.6% K-BB after moving up to Double-A. That is the shape of a breakout. · 3+ yrs young for AA
Up stronglyMarket unread3+ yrs young for AABreakout
elite profile · 95/100 overall
Core 1st auto, numbered · $255.98 delivered
title claims 1st — not verified · no valuation · best offer
See listing
2Pedro Da Costa Lemos
SPAge 23High-ASeattle Mariners
promoted Low-A → High-A · Missing more bats and walking fewer batters than last season, against better hitters — 16.9% to 26.4% K-BB after moving up to High-A. That is the shape of a breakout.
Up stronglyMarket unread0.7 yrs old for High-ABreakout
solid · 72/100 overall
No qualifying live listing found.
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3Carlos Jimenez
CFAge 23High-ASeattle Mariners
promoted Low-A → High-A · Hitting better than last season even though the pitching got harder — .777 to .926 after moving up to High-A. That is the shape of a breakout.
Up stronglyMarket unread0.7 yrs old for High-ABreakout
solid · 71/100 overall
No qualifying live listing found.
eBaySee live listings
4Christian Little
SPAge 23High-ASeattle Mariners
promoted Low-A → High-A · Missing more bats and walking fewer batters than last season, against better hitters — 16.0% to 19.6% K-BB after moving up to High-A. That is the shape of a breakout.
Up stronglyMarket unread0.7 yrs old for High-ABreakout
solid · 67/100 overall
No qualifying live listing found.
eBaySee live listings
5Aiden Taurek
CFAge 22High-ASeattle Mariners
promoted Low-A → High-A · Hitting better than last season even though the pitching got harder — .813 to .901 after moving up to High-A. That is the shape of a breakout.
Up stronglyMarket unreadtypical age for High-ABreakout
solid · 66/100 overall
No qualifying live listing found.
eBaySee live listings
6Brock Rodden
SSAge 26Triple-ASeattle Mariners
promoted Double-A → Triple-A · About the same as last season — .822 to .841 OPS.
Up stronglyMarket unread0.5 yrs old for AAABreakout
solid · 66/100 overall
Core 1st auto · $40.00 delivered
matches his benchmark series · no valuation
See listing
7Gleiner Diaz
SPAge 22Low-ASeattle Mariners
promoted Rookie → Low-A · Missing more bats and walking fewer batters than last season, against better hitters — 16.5% to 25.5% K-BB after moving up to Low-A. That is the shape of a breakout.
Up stronglyMarket unread1.0 yrs old for Low-ABreakout
solid · 66/100 overall
No qualifying live listing found.
eBaySee live listings
8Jacob Denner
SPAge 26High-ASeattle Mariners
promoted Rookie → High-A · Missing more bats and walking fewer batters than last season, against better hitters — 18.5% to 25.0% K-BB after moving up to High-A. That is the shape of a breakout.
Up stronglyMarket unreadold for High-ABreakout
solid · 60/100 overall
No qualifying live listing found.
eBaySee live listings
9Gunner Mayer
SPAge 26Triple-ASeattle Mariners
promoted Double-A → Triple-A · Missing more bats and walking fewer batters than last season, against better hitters — 12.8% to 17.2% K-BB after moving up to Triple-A. That is the shape of a breakout.
Up stronglyMarket unread0.5 yrs old for AAABreakout
solid · 56/100 overall
Core 1st auto · $2.85 delivered
matches his benchmark series · no valuation · best offer
See listing
10Josh Caron
CAge 23Double-ASeattle Mariners
promoted High-A → Double-A · Hitting better than last season even though the pitching got harder — .600 to .763 after moving up to Double-A. That is the shape of a breakout.
Up stronglyMarket unread0.8 yrs young for AABreakout
fringe · 53/100 overall
Core 1st auto · $22.99 delivered
matches his benchmark series · no valuation · best offer
See listing
11Nick Raposo
CAge 28Triple-ASeattle Mariners
promoted Double-A → Triple-A · Hitting better than last season even though the pitching got harder — .678 to .925 after moving up to Triple-A. That is the shape of a breakout.
Up stronglyMarket unreadold for AAABreakout
fringe · 52/100 overall
No qualifying live listing found.
eBaySee live listings
12Ricardo Cova
2BAge 22High-ASeattle Mariners
promoted Low-A → High-A · Hitting better than last season even though the pitching got harder — .719 to .778 after moving up to High-A. That is the shape of a breakout.
Up stronglyMarket unreadtypical age for High-ABreakout
fringe · 50/100 overall
Core 1st auto · $9.35 delivered
matches his benchmark series · no valuation · best offer
See listing
13Cesar Quintas
1BAge 23High-ASeattle Mariners
promoted Low-A → High-A · Hitting better than last season even though the pitching got harder — .745 to .852 after moving up to High-A. That is the shape of a breakout.
Up stronglyMarket unread0.7 yrs old for High-ABreakout
fringe · 48/100 overall
Core 1st auto · $3.00 delivered
matches his benchmark series · no valuation · best offer
See listing
14Blake Rambusch
3BAge 27Triple-ASeattle Mariners
promoted Double-A → Triple-A · Hitting better than last season even though the pitching got harder — .678 to .730 after moving up to Triple-A. That is the shape of a breakout.
Up stronglyMarket unread1.5 yrs old for AAABreakout
fringe · 38/100 overall
No qualifying live listing found.
eBaySee live listings

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