
#23 SP · Diamondbacks
Height
6'2"
Weight
189 lbs
Age
30
College
North Carolina
Draft
2016, Rd 3, #106
Experience
7 yrs
Bats/Throws
R/R
Grade ZAC Gallen
Your grade joins the crowd-sourced Fan Verdict.
On the field, ZAC Gallen grades out as a strong SP for Diamondbacks (B- Performance). That places him 116th of 254 graded starting pitchers. The contract is harder to defend: the Contract Value Index calls it fairly priced (C), with the cost outrunning the output. The public read is negative (D- Sentiment), drawn from current news and social signal rather than the box score.
| Year | Team | GP | ERA | W-L | K | WHIP | IP | SV |
|---|---|---|---|---|---|---|---|---|
| Career | ![]() | 187 | 3.645212 | 69-56 | 1100 | 1.1726846 | 0.0 | 0 |
| 2026 | ![]() | 13 | 5.32 | 3-5 | 43 | 1.52 | 64.1 | 0 |
| 2025 |
Length
1 year
Total Value
$22.0M
Guaranteed
$13.2M
AAV
$22.0M/yr
Zac Gallen's on-field production earns a B- performance grade against SP peers across MLB. The 2026 season shows 3 wins and 43 strikeouts across 13 games, reflecting a starter holding his ground in the rotation despite a brutal early-season narrative anchored to his Opening Day collapse against Los Angeles. His strikeout rate stands as the primary statistical strength — 43 K in limited appearances suggests elite-tier command when mechanics are firing — but the win-loss record (3-3 implied from the context) paired with that early chasing underscores an execution consistency problem in high-leverage spots, exactly what beat writers have been hammering on since that Dodgers outing. At 30 years old with eight seasons of pedigree, Gallen remains an established veteran and 2023 All-MLB First Team honoree, yet the disconnect between his B- body of work and D+ sentiment grade reveals how sharply a marquee early failure can poison the narrative around a pitcher, even when his underlying stuff hasn't abandoned him. The Diamondbacks' recent infield and catcher acquisitions signal a roster-shuffling front office trying to climb out of .500 territory, which further deflates organizational confidence in Gallen's ability to be a centerpiece in divisional matchups; he's now squarely in prove-it territory for both media and fans as the regular season stretches toward September.
Other same-position deals the Contract Value Index also places in the C band — a quick read on where ZAC's contract sits relative to comparable money.
ZAC Gallen ranks 116th of 254 graded starting pitchers by performance. That slots ZAC between Nolan McLean (B-) just ahead and Emmet Sheehan (C+) just behind.
Graded higher
Nolan McLeanMetsB-JOE RockWhite SoxB-Connelly EarlyRed SoxB-Graded lower
Emmet SheehanDodgers| Date | OPP | Result | AB | H | R | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|
| Sun, 6/21 | vs MIN | L 8-16 | - | - | - | 0 | - | - | - |
| Sun, 6/14 | @ CIN | W 5-3 | - | - | - | 0 | - | - | - |
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ZAC Gallen is a player in his 7th MLB season listed at SP for the Diamondbacks. FanVerdicts covers every MLB player, team, GM, and transaction — and puts your verdict on all of it. Sign in to cast your Fan Verdict on ZAC Gallen, see where the crowd lands, and argue the call. FanVerdicts also brings its own read — performance, sentiment, and Contract Value Index — as one honest input alongside the crowd's. Where FanVerdicts has weighed in so far: Contract Value Index C, Performance B-, Sentiment D-.
The crowd's Fan Verdict moves in real time as fans vote on this profile. FanVerdicts' own read updates as new data lands — performance recalculates when MLB game stats post, sentiment shifts with media coverage and fan discussion, and the Contract Value Index recomputes when contract terms change. Contract details below show the structure (years, total value, average annual value, guarantees) behind the Contract Value Index read.
For league-wide context, the MLB hub has team rankings, GM report cards, the transactions feed, and live scoreboards. The MLB player rankings page sorts every active player by performance and contract value within their position.
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| 33 |
| 4.83 |
| 13-15 |
| 175 |
| 1.26 |
| 192.0 |
| 0 |
| 2024 | ![]() | 28 | 3.65 | 14-6 | 156 | 1.26 | 148.0 | 0 |
| 2023 | ![]() | 34 | 3.47 | 17-9 | 220 | 1.12 | 210.0 | 0 |
| 2022 | ![]() | 31 | 2.54 | 12-4 | 192 | 0.91 | 184.0 | 0 |
| 2021 | ![]() | 23 | 4.30 | 4-10 | 139 | 1.29 | 121.1 | 0 |
| 2020 | ![]() | 12 | 2.75 | 3-2 | 82 | 1.11 | 72.0 | 0 |
| 2019 | ![]() | 7 | 2.72 | 1-3 | 43 | 1.18 | 36.1 | 0 |
| 2019 | ![]() | 8 | 2.89 | 2-3 | 53 | 1.26 | 43.2 | 0 |
| 2019 | 15 | 2.81 | 3-6 | 96 | 1.23 | 80.0 | 0 |
Peers ranked by Performance grade among players at the same position. Tap any name for their full profile.