Prospect Baseline Prospect Baseline
Model Last Run Sep 25, 2026 · 2:59 PM ET

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

Player profile

Zac Leigh

CHC · AAA · P IL(60-Day)

Chicago Cubs · Age at assessment: 28.9 · Bats: R · Throws: R

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Assessment saved: · Stats updated:

Assessment notes

Rank is ordered by Prospect Score, the model's 1-100 composite score. Median outcome is only one input; performance, track record, age-to-level context, high outcome, confidence, and risk also affect rank. Present performance is lifting the composite above the long-term median outcome

PB Rank#6,257
Prospect Score16
Median20
Performance36
Trend0.0%

Tool vs observed results

Percentile scale

No tool-to-results comparison is available in this saved assessment. The recorded model range is shown below.

Model Range0.0%
202031
LowMedianHigh
206099
Performance 36

Model history

Median movement
First recorded 29 Latest recorded 20
34 17.5 1 2026-06-04 · Median 29 2026-06-05 · Median 29 2026-06-06 · Median 29 2026-06-07 · Median 29 2026-06-08 · Median 18 2026-06-09 · Median 18 2026-06-10 · Median 18 2026-06-11 · Median 17 2026-06-12 · Median 17 2026-06-13 · Median 17 2026-06-14 · Median 17 2026-06-15 · Median 17 2026-06-16 · Median 17 2026-06-17 · Median 17 2026-06-18 · Median 17 2026-06-19 · Median 17 2026-06-20 · Median 17 2026-06-21 · Median 17 2026-06-22 · Median 17 2026-06-23 · Median 17 2026-06-24 · Median 17 2026-06-25 · Median 5 2026-06-26 · Median 5 2026-06-28 · Median 17 2026-06-29 · Median 17 2026-06-30 · Median 17 2026-07-01 · Median 17 2026-07-03 · Median 23 2026-07-05 · Median 30 2026-07-07 · Median 30 2026-07-09 · Median 30 2026-07-11 · Median 30 2026-07-12 · Median 30 2026-07-14 · Median 30 2026-07-16 · Median 30 2026-07-21 · Median 30 2026-07-22 · Median 30 2026-07-23 · Median 30 2026-07-24 · Median 28 2026-08-27 · Median 25.2 2026-08-28 · Median 25.2 2026-09-01 · Median 25.2 2026-09-02 · Median 25.2 2026-09-03 · Median 25.2 2026-09-05 · Median 25.2 2026-09-06 · Median 25.2 2026-09-09 · Median 20.2 2026-09-14 · Median 20.2 2026-09-15 · Median 20.2 2026-09-16 · Median 20 2026-09-17 · Median 20 2026-09-18 · Median 20 2026-09-19 · Median 20 2026-09-21 · Median 20 2026-09-22 · Median 20 2026-09-24 · Median 20 2026-09-25 · Median 20 2026-06-04 2026-09-25

2026-09-25 · Median 20

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2520
2026-09-2420
2026-09-2220
2026-09-2120
2026-09-1920
2026-09-1820
2026-09-1720
2026-09-1620
2026-09-1520.2
2026-09-1420.2
2026-09-0920.2
2026-09-0625.2
2026-09-0525.2
2026-09-0325.2
2026-09-0225.2
2026-09-0125.2
2026-08-2825.2
2026-08-2725.2
2026-07-2428
2026-07-2330
2026-07-2230
2026-07-2130
2026-07-1630
2026-07-1430
2026-07-1230
2026-07-1130
2026-07-0930
2026-07-0730
2026-07-0530
2026-07-0323
2026-07-0117
2026-06-3017
2026-06-2917
2026-06-2817
2026-06-265
2026-06-255
2026-06-2417
2026-06-2317
2026-06-2217
2026-06-2117
2026-06-2017
2026-06-1917
2026-06-1817
2026-06-1717
2026-06-1617
2026-06-1517
2026-06-1417
2026-06-1317
2026-06-1217
2026-06-1117
2026-06-1018
2026-06-0918
2026-06-0818
2026-06-0729
2026-06-0629
2026-06-0529
2026-06-0429

2026 season

Current season · regular season
G27
IP39.1
ERA6.18
WHIP1.58
K/911.0
BB/95.7
K-BB%13.0%

2 teams · Total · All levels · Updated

Scouting Scenario Range

Model Range0.0%
202031
LowMedianHigh
206099
Performance 36

Profile Context

RiskWide Range · 64
MLB / Model Watch
Confidence57
TypePitcher

Backtested Forecasts

Separate from scouting grades
2027 MiLB production41.1
Historical 80% error band16–66
MLB arrival in 3 years9%
Productive MLB role in 3 years1%

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

Tool grades unavailable from verified public scouting reports.

Player Stats

Recent regular season
PeriodTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
Last 7 daysNo recent game logs available
Last 30 daysNo recent game logs available
Year-by-year regular season
YearTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
2026Iowa CubsAAA326.69250036.1372927424441.6810.90
2026ACL CubsACL000.002003.00000140.3312.00
20262 teams · TotalAll levels326.18270039.1372927425481.5810.98
2025Knoxville SmokiesAA424.11430050.1332923339471.438.40
2024Iowa CubsAAA008.31130013.0211212118163.0011.08
2024Tennessee SmokiesAA321.44250031.12685216401.3411.49
20242 teams · TotalAll levels323.45380044.1472017334561.8311.37
2023Tennessee SmokiesAA324.11250235.0261716416521.2013.37
2023South Bend CubsHigh-A000.004014.10000160.2312.46
20232 teams · TotalAll levels323.66290339.1261716417581.0913.27
2022Tennessee SmokiesAA003.86100111.275518211.2916.20
2022South Bend CubsHigh-A202.35170423.0168628321.0412.52
20222 teams · TotalAll levels202.86270534.2231311316531.1313.76
2021South Bend CubsHigh-A001.803005.03110381.2014.40
2021ACL CubsACL000.002003.21000090.2722.09
20212 teams · TotalAll levels001.045008.241103170.8117.65

Regular season only. Totals combine team and level stints. Recent windows overlap and use cached game logs. Stats refreshed: 2026-09-22T00:11:19.

More Chicago Cubs profiles

Organization reflects each player's saved assessment.