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.

Overall124 Breakout Radar12 Baseball up / cards flat0 Young for level33 Promotions66 Trending down76 Watch closely27

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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1Theo Gillen
CFAge 20Double-ATampa Bay Rays
promoted Low-A → Double-A · Hitting better than last season even though the pitching got harder — .820 to .890 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
strong prospect · 89/100 overall
Core 1st auto · $157.98 delivered
matches his benchmark series · no valuation
See listing
2Xavier Isaac
1BAge 22Triple-ATampa Bay Rays
promoted Double-A → Triple-A · Hitting better than last season even though the pitching got harder — .812 to 1.167 after moving up to Triple-A. That is the shape of a breakout. · 3+ yrs young for AAA
Up stronglyMarket unread3+ yrs young for AAABreakout
strong prospect · 84/100 overall
Core 1st auto, numbered · $302.99 delivered
title claims 1st — not verified · no valuation · best offer
See listing
3Nathan Flewelling
CAge 19High-ATampa Bay Rays
promoted Low-A → High-A · Hitting better than last season even though the pitching got harder — .729 to .826 after moving up to High-A. That is the shape of a breakout. · 3+ yrs young for High-A
Up stronglyMarket unread3+ yrs young for High-ABreakout
strong prospect · 80/100 overall
Core 1st auto · $46.98 delivered
matches his benchmark series · no valuation · best offer
See listing
4Yereny Teus
SPAge 23Low-ATampa Bay Rays
promoted Rookie → Low-A · Missing more bats and walking fewer batters than last season, against better hitters — 13.2% to 27.2% K-BB after moving up to Low-A. That is the shape of a breakout.
Up stronglyMarket unread2.0 yrs old for Low-ABreakout
solid · 73/100 overall
No qualifying live listing found.
eBaySee live listings
5Connor Hujsak
CFAge 24Triple-ATampa Bay Rays
promoted Low-A → Triple-A · Hitting better than last season even though the pitching got harder — .677 to .990 after moving up to Triple-A. That is the shape of a breakout.
Up stronglyMarket unread1.5 yrs young for AAABreakout
solid · 71/100 overall
No qualifying live listing found.
eBaySee live listings
6Owen Wild
SPAge 24Triple-ATampa Bay Rays
promoted Double-A → Triple-A · Missing more bats and walking fewer batters than last season, against better hitters — 12.8% to 22.4% K-BB after moving up to Triple-A. That is the shape of a breakout.
Up stronglyMarket unread1.5 yrs young for AAABreakout
solid · 71/100 overall
No qualifying live listing found.
eBaySee live listings
7Will Simpson
1BAge 25Triple-ATampa Bay Rays
promoted Double-A → Triple-A · Hitting better than last season even though the pitching got harder — .639 to .829 after moving up to Triple-A. That is the shape of a breakout.
Up stronglyMarket unread0.5 yrs young for AAABreakout
solid · 62/100 overall
Core 1st auto · $6.98 delivered
matches his benchmark series · no valuation · best offer
See listing
8Jordi Infante
SPAge 21Low-ATampa Bay Rays
promoted Rookie → Low-A · Missing more bats and walking fewer batters than last season, against better hitters — 8.4% to 14.6% K-BB after moving up to Low-A. That is the shape of a breakout.
Up stronglyMarket unreadtypical age for Low-ABreakout
fringe · 53/100 overall
No qualifying live listing found.
eBaySee live listings
9J.D. Gonzalez
CAge 20High-ATampa Bay Rays
promoted Low-A → High-A · Hitting better than last season even though the pitching got harder — .405 to .595 after moving up to High-A. That is the shape of a breakout. · 2.3 yrs young for High-A
Up stronglyMarket unread2.3 yrs young for High-ABreakout
fringe · 48/100 overall
Core 1st auto · $5.95 delivered
matches his benchmark series · no valuation · best offer
See listing
10Miguel Toscano
SPAge 20Low-ATampa Bay Rays
promoted Rookie → Low-A · Missing more bats and walking fewer batters than last season, against better hitters — 3.8% to 12.0% K-BB after moving up to Low-A. That is the shape of a breakout.
Up stronglyMarket unread1.0 yrs young for Low-ABreakout
fringe · 44/100 overall
No qualifying live listing found.
eBaySee live listings
11Dominic Niman
SPAge 26Triple-ATampa Bay Rays
promoted Low-A → Triple-A · Down from 17.1% to 0.0% K-BB, but that came with a move up to Triple-A — a step back at a harder level is normal.
Up stronglyMarket unread0.5 yrs old for AAABreakout
long shot · 27/100 overall
No qualifying live listing found.
eBaySee live listings
12Cesar De Jesus
SPAge 22Low-ATampa Bay Rays
promoted Rookie → Low-A · Missing more bats and walking fewer batters than last season, against better hitters — 0.9% to 7.0% K-BB after moving up to Low-A. That is the shape of a breakout.
Up stronglyMarket unread1.0 yrs old for Low-ABreakout
long shot · 23/100 overall
No qualifying live listing found.
eBaySee live listings

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