DataBaseball
2026
Peter Solomon headshot

Pitcher · 2023

Peter Solomon

Age
27
B/T
R/R
Height
6' 4"
Weight
211 lb
Born
August 16, 1996 in Washington, DC, USA
MLB debut
April 18, 2021
dbWAR
-.1
2 season(s)
IP
13.1
ERA
12.15
FIP
7.01
K/9
4.0
FIP−
162
100 = avg

Peter Solomon is a relief pitcher for the Arizona Diamondbacks. In 2023 he struck out 6 batters over 13.1 innings across 5 appearances, going 0-0. His ERA of 12.15 was 180.5% higher than the league average of 4.33. Stripping out defence, his 7.01 FIP suggests he pitched better than his ERA shows. He missed bats on 20.7% of swings (8.1% of every pitch he threw), walked 16.4% of the batters he faced and struck out 9.0%. His -0.3 dbWAR is built from that FIP rather than runs allowed, so it credits him for what he controls and not for the defence behind him.

League context

Percentile among qualified pitchers, 2023.

FIP7.01
K/94.0
WHIP2.10
WAR-.3

Pitching

Standard and advanced, by season.

Trend
20235013.1000171861112.157.012.104.07.4280162-0.3
20216014.01001021081.293.461.296.45.130810.2

Platoon splits

How left- and right-handed hitters fare against him.

Opponent batting by the side the hitter bats from, 2023. Counted from play-by-play, so totals can differ from the box-score season line by a plate appearance or two.
SplitPAABHHRBBSOAVGOBPSLGwOBAK%
vs LHB22187242.389.500.944.5799.1%
vs RHB463810074.263.391.421.3658.7%

Pitch sequencing

What Peter Solomon throws in each count, and what he follows each pitch with. Select any cell for the breakdown.

ShowBatter
Four-seamCurveballCutterSliderChangeup

Select a count to see exactly what Peter Solomon throws in it.

Pitch arsenal

What he throws, how hard, and how often it misses in 2023.

Four-Seam Fastball54.7%12993.22,23639.5%18.8%
Cutter14.8%3588.72,34231.4%30.0%
Curveball14.4%3480.01,93532.4%0.0%
Slider11.9%2885.02,29632.1%33.3%
Changeup4.2%1084.32,06210.0%0.0%
Peter Solomon's arsenal by usage. Velocity is average release speed in mph, spin in rpm, and whiff rate is misses per swing — the cleanest single measure of whether a pitch beats hitters.

Head to head

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Peter Solomon
How these are computed

wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.