DataBaseball
2026
Jorge Guzmán headshot

Pitcher · 2021

Jorge Guzmán

Age
25
B/T
R/R
Height
6' 1"
Weight
246 lb
Born
January 28, 1996 in Las Matas de Santa Cruz, Dominican Republic
MLB debut
August 6, 2020
dbWAR
-.4
2 season(s)
IP
1.2
ERA
32.40
FIP
10.37
K/9
16.2
FIP−
243
100 = avg

Jorge Guzmán is a relief pitcher for the Miami Marlins. In 2021 he struck out 3 batters over 1.2 innings across 2 appearances, going 0-0. His ERA of 32.40 was 659.5% higher than the league average of 4.27. Stripping out defence, his 10.37 FIP suggests he pitched better than his ERA shows. He missed bats on 43.5% of swings (16.4% of every pitch he threw), walked 40.0% of the batters he faced and struck out 20.0%. His -0.1 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, 2021.

FIP10.37
K/916.2
WHIP6.00
WAR-.1

Pitching

Standard and advanced, by season.

Trend
2021201.2000463632.4010.376.0016.232.4760243-0.1
2020101.0000220118.0035.193.000.09.0404790-0.3

Platoon splits

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

Opponent batting by the side the hitter bats from, 2021. Counted from play-by-play, so totals can differ from the box-score season line by a plate appearance or two.
SplitPAABHHRBBSOAVGOBPSLGwOBAK%
vs LHB310021.000.667.000.36233.3%
vs RHB1284042.500.667.625.56516.7%

Pitch sequencing

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

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Four-seamChangeupSlider

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Pitch arsenal

What he throws, how hard, and how often it misses in 2021.

Four-Seam Fastball55.7%3495.92,08441.2%46.7%
Changeup24.6%1587.41,69933.3%40.0%
Jorge Guzmán'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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Jorge Guzmán
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.