Zac Gallen is a Arizona Diamondbacks SP projected for 68 fantasy points on 108.6 IP, 67 K, 6 ERA, 1.540 WHIP by the managr projection engine. Monte-Carlo outcome odds put an elite season at 1% and a bust at 14%.
Projection snapshot: 2026-10-18. Rebuilt daily.
Zac Gallen's 2026 projection is built on 109 innings as a starter.
Across 8 seasons with meaningful innings, Gallen's biggest strikeout year came in 2023 at age 27: 220 strikeouts over 210 innings, with 17 wins. Innings across 2024, 2025 and 2026 ran 148, 192 and 105, a drop in workload worth weighing against the forecast.
In 2026, Gallen's 6.07 ERA came in below a 6.64 expected ERA. Expected ERA is built from the quality of contact allowed rather than the runs that scored, so fewer runs crossed than that contact would usually produce.
Tracking data from 2026: Gallen struck out 13.6% of batters and walked 7.4%, a strikeout-minus-walk rate of 6.2 points, and hitters missed on 19.0% of their swings. Contact against Gallen averaged 90.8 mph off the bat, with a 10.8% barrel rate.
Gallen's projected range runs from a 63-point floor to a 109-point upside, around a 68-point median: a spread of 46 points, or 68% of the median.
By statistical profile, the closest comparisons to Gallen on the board are Nick Lodolo, Merrill Kelly and Carmen Mlodzinski.
At 30, Gallen is in the age range where pitchers typically hold their skills, and the multi-year valuation applies little age adjustment.
This report is generated from the managr engine's 2026-10-18 snapshot and rebuilt daily.
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