Prospect Baseline Prospect Baseline
Model Last Run Sep 24, 2026 · 8:41 AM ET

Included in the latest imported public model. All figures reflect the saved assessment dates.

Player profile

Jagger Haynes

SD · AAA · P

San Diego Padres · Age at assessment: 24 · Bats: L · Throws: L

Tools Ahead of Results
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Assessment saved: · Stats updated:

Stuff not yet translating

The verified pitch-quality expectation is running ahead of current bat-missing results

High Confidence · 99%
PB Rank#499
Prospect Score63
Median57
Performance50
Trend-0.2%

Why the player is here

  • Best pitch grade 55; dominance evidence sits near the 18th percentile for comparable pitchers
  • K/9 is 7.7

Context for this assessment, not a verified explanation for movement between model runs.

Tool vs observed results

Percentile scale
Stuff-40.5 percentile gap
Expected 58 Observed 18
Command+17.4 percentile gap
Expected 33 Observed 51

Verified tool expectations alongside results for comparable players. Percentiles are not scouting grades.

Model history

Median movement
First recorded 51 Latest recorded 57
64 55 46 2026-06-04 · Median 51 2026-06-05 · Median 51 2026-06-06 · Median 51 2026-06-07 · Median 51 2026-06-08 · Median 51 2026-06-09 · Median 51 2026-06-10 · Median 51 2026-06-11 · Median 51 2026-06-12 · Median 51 2026-06-13 · Median 52 2026-06-14 · Median 52 2026-06-15 · Median 52 2026-06-16 · Median 52 2026-06-17 · Median 53 2026-06-18 · Median 53 2026-06-19 · Median 50 2026-06-20 · Median 50 2026-06-21 · Median 50 2026-06-22 · Median 50 2026-06-23 · Median 50 2026-06-24 · Median 50 2026-06-25 · Median 51 2026-06-26 · Median 51 2026-06-28 · Median 51 2026-06-29 · Median 51 2026-06-30 · Median 51 2026-07-01 · Median 51 2026-07-03 · Median 53 2026-07-05 · Median 53 2026-07-07 · Median 53 2026-07-09 · Median 53 2026-07-11 · Median 53 2026-07-12 · Median 51 2026-07-14 · Median 51 2026-07-16 · Median 51 2026-07-21 · Median 53 2026-07-22 · Median 53 2026-07-23 · Median 60 2026-07-24 · Median 60 2026-08-20 · Median 54 2026-08-22 · Median 54 2026-08-23 · Median 54 2026-08-25 · Median 54 2026-08-27 · Median 54 2026-08-28 · Median 54 2026-09-01 · Median 55 2026-09-02 · Median 55 2026-09-03 · Median 55 2026-09-05 · Median 55 2026-09-06 · Median 55 2026-09-09 · Median 57 2026-09-14 · Median 56.5 2026-09-15 · Median 56 2026-09-16 · Median 56 2026-09-17 · Median 57 2026-09-18 · Median 57 2026-09-19 · Median 57 2026-09-21 · Median 57 2026-09-22 · Median 57 2026-09-24 · Median 57 2026-06-04 2026-09-24

2026-09-24 · Median 57

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2457
2026-09-2257
2026-09-2157
2026-09-1957
2026-09-1857
2026-09-1757
2026-09-1656
2026-09-1556
2026-09-1456.5
2026-09-0957
2026-09-0655
2026-09-0555
2026-09-0355
2026-09-0255
2026-09-0155
2026-08-2854
2026-08-2754
2026-08-2554
2026-08-2354
2026-08-2254
2026-08-2054
2026-07-2460
2026-07-2360
2026-07-2253
2026-07-2153
2026-07-1651
2026-07-1451
2026-07-1251
2026-07-1153
2026-07-0953
2026-07-0753
2026-07-0553
2026-07-0353
2026-07-0151
2026-06-3051
2026-06-2951
2026-06-2851
2026-06-2651
2026-06-2551
2026-06-2450
2026-06-2350
2026-06-2250
2026-06-2150
2026-06-2050
2026-06-1950
2026-06-1853
2026-06-1753
2026-06-1652
2026-06-1552
2026-06-1452
2026-06-1352
2026-06-1251
2026-06-1151
2026-06-1051
2026-06-0951
2026-06-0851
2026-06-0751
2026-06-0651
2026-06-0551
2026-06-0451

Metrics to follow

K/9 7.7

Primary bat-missing indicator

Definition

Strikeouts recorded per nine innings pitched

K-BB% 9.4%

Separates dominance from walk cost

Definition

Strikeout percentage minus walk percentage, a compact measure of pitcher dominance and control

BB/9 4.1

Shows whether control is limiting the arsenal

Definition

Walks allowed per nine innings pitched. Lower is generally better

Next checkpointRecheck K/9, K-BB%, and BB/9 after the next 20 innings

2026 season

Current season · regular season
G28
IP135.0
ERA4.80
WHIP1.36
K/97.7
BB/94.1
K-BB%9.4%

2 teams · Total · All levels · Updated

Scouting Scenario Range

Model Range-0.2%
535761
LowMedianHigh
206099
Performance 50

Profile Context

RiskLow Risk · 0
MLB / Model Watch
Confidence93
TypePitcher

Backtested Forecasts

Separate from scouting grades
2027 MiLB production35.9
Historical 80% error band13–59
MLB arrival in 3 years39%
Productive MLB role in 3 years4%

The next-season score assumes at least 20 IP. A productive MLB role means a regular playing-time season with above-average measured hitting or pitching production. This is not a WAR forecast.

Scouting Tools

Source: Verified public scouting report
Fastball icon
Fastball45Fringe
Slider icon
Slider55Avg
Changeup icon
Changeup50Avg
Command icon
Control40Developmental
Overall icon
Overall40Developmental

Tool Profile

Tool ProfileFastballSliderChangeupCommand20-80 grade scaleArchetype: Pitch Mix

Player Stats

Recent regular season
PeriodTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
Last 7 daysNo recent game logs available
Last 30 daysAll teamsAll levels013.8643016.1197714111.416.06
Year-by-year regular season
YearTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
2026El Paso ChihuahuasAAA055.80109040.1442926320311.596.92
2026San Antonio MissionsAA334.371818094.2794846941851.278.08
20262 teams · TotalAll levels384.8028270135.0123777212611161.367.73
2025San Antonio MissionsAA344.1126250103.083554712621011.418.83
2024Fort Wayne TinCapsHigh-A264.6423220110.290595711661141.419.27
2023Lake Elsinore StormSingle-A033.911111025.1221311212291.3410.30

Regular season only. Totals combine team and level stints. Recent windows overlap and use cached game logs. Stats refreshed: 2026-09-24T08:35:32.

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Organization reflects each player's saved assessment.