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.

Overall141 Breakout Radar11 Baseball up / cards flat0 Young for level32 Promotions81 Trending down77 Watch closely36

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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1Ramon Marquez
SPAge 20High-ASan Francisco Giants
promoted Rookie → High-A · Missing more bats and walking fewer batters than last season, against better hitters — 22.7% to 33.1% K-BB 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
strong prospect · 89/100 overall
No qualifying live listing found.
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2Argenis Cayama
SPAge 19Low-ASan Francisco Giants
promoted Rookie → Low-A · Missing more bats and walking fewer batters than last season, against better hitters — 18.7% to 24.3% K-BB after moving up to Low-A. That is the shape of a breakout. · 2.0 yrs young for Low-A
Up stronglyMarket unread2.0 yrs young for Low-ABreakout
strong prospect · 86/100 overall
No qualifying live listing found.
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3Diego Velasquez
2BAge 22Triple-ASan Francisco Giants
promoted Double-A → Triple-A · Hitting better than last season even though the pitching got harder — .677 to .810 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
solid · 69/100 overall
Core 1st auto, numbered · $29.24 delivered
title claims 1st — not verified · no valuation
See listing
4Jonah Cox
CFAge 25Triple-ASan Francisco Giants
promoted High-A → Triple-A · Hitting better than last season even though the pitching got harder — .731 to 1.179 after moving up to Triple-A. That is the shape of a breakout.
Up stronglyMarket unread0.5 yrs young for AAABreakout
solid · 67/100 overall
Core 1st auto · $19.31 delivered
matches his benchmark series · no valuation · best offer
See listing
5Jose Astudillo
CFAge 22Triple-ASan Francisco Giants
promoted Rookie → Triple-A · Hitting better than last season even though the pitching got harder — .972 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
solid · 67/100 overall
No qualifying live listing found.
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6Scott Bandura
CFAge 25Triple-ASan Francisco Giants
promoted High-A → Triple-A · Hitting better than last season even though the pitching got harder — .838 to .874 after moving up to Triple-A. That is the shape of a breakout.
Up stronglyMarket unread0.5 yrs young for AAABreakout
solid · 66/100 overall
No qualifying live listing found.
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7Esmerlin Vinicio
SPAge 23Double-ASan Francisco Giants
promoted High-A → Double-A · Missing more bats and walking fewer batters than last season, against better hitters — 5.5% to 14.0% K-BB after moving up to Double-A. That is the shape of a breakout.
Up stronglyMarket unread0.8 yrs young for AABreakout
solid · 60/100 overall
No qualifying live listing found.
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8Turner Hill
LFAge 27Triple-ASan Francisco Giants
promoted Double-A → Triple-A · Hitting better than last season even though the pitching got harder — .713 to .949 after moving up to Triple-A. That is the shape of a breakout.
Up stronglyMarket unread1.5 yrs old for AAABreakout
solid · 58/100 overall
No qualifying live listing found.
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9Aeverson Arteaga
SSAge 23Triple-ASan Francisco Giants
promoted Double-A → Triple-A · Hitting better than last season even though the pitching got harder — .508 to .629 after moving up to Triple-A. That is the shape of a breakout. · 2.5 yrs young for AAA
Up stronglyMarket unread2.5 yrs young for AAABreakout
solid · 58/100 overall
Core 1st auto, numbered · $305.49 delivered
title claims 1st — not verified · no valuation · best offer
See listing
10Jakob Christian
1BAge 23High-ASan Francisco Giants
promoted Low-A → High-A · Hitting better than last season even though the pitching got harder — .815 to .862 after moving up to High-A. That is the shape of a breakout.
Up stronglyMarket unread0.7 yrs old for High-ABreakout
fringe · 54/100 overall
Core 1st auto · $7.94 delivered
matches his benchmark series · no valuation · best offer
See listing
11Ryan Vanderhei
SPAge 25Double-ASan Francisco Giants
promoted High-A → Double-A · Missing more bats and walking fewer batters than last season, against better hitters — 5.7% to 11.3% K-BB after moving up to Double-A. That is the shape of a breakout.
Up stronglyMarket unread1.2 yrs old for AABreakout
fringe · 37/100 overall
No qualifying live listing found.
eBaySee live listings

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