DataBaseball
2026
Jackson Stephens headshot

Pitcher · 2024

Jackson Stephens

Age
30
B/T
R/R
Height
6' 2"
Weight
220 lb
Born
May 11, 1994 in Oxford, AL, USA
MLB debut
July 1, 2017
Drafted
2012, round 18
High school
Oxford
dbWAR
-.1
1 season(s)
IP
3.1
ERA
2.70
FIP
7.67
K/9
5.4
FIP−
188
100 = avg

Jackson Stephens is a relief pitcher for the Atlanta Braves. In 2024 he struck out 2 batters over 3.1 innings across 3 appearances, going 0-0. His ERA of 2.70 was 33.8% lower than the league average of 4.08. Stripping out defence, his 7.67 FIP suggests that his ERA had some help behind him. He missed bats on 17.9% of swings (9.8% of every pitch he threw), walked 5.9% of the batters he faced and struck out 11.8%. 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, 2024.

FIP7.67
K/95.4
WHIP1.80
WAR-.1

Platoon splits

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

Opponent batting by the side the hitter bats from, 2024. Counted from play-by-play, so totals can differ from the box-score season line by a plate appearance or two.
SplitPAABHHRBBSOAVGOBPSLGwOBAK%
vs LHB983112.375.444.750.50222.2%
vs RHB872000.286.375.286.3140.0%

Pitch sequencing

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

ShowBatter
CurveballSinkerFour-seamSliderChangeup

Select a count to see exactly what Jackson Stephens throws in it.

Pitch arsenal

What he throws, how hard, and how often it misses in 2024.

Four-Seam Fastball27.5%1492.32,03942.9%33.3%
Sinker25.5%1392.41,90730.8%12.5%
Curveball23.5%1274.92,93150.0%0.0%
Jackson Stephens'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.

Pitching

Standard and advanced, by season.

Trend
2024303.100051212.707.671.805.42.766188-0.1

Head to head

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Jackson Stephens
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.