DataBaseball
2026
Mike Baumann headshot

Pitcher · 2024

Mike Baumann

Age
29
B/T
R/R
Height
6' 4"
Weight
240 lb
Number
#53
Born
September 10, 1995 in Mahtomedi, MN, USA
MLB debut
September 7, 2021
Drafted
2017, round 3
College
Jacksonville
High school
Mahtomedi
Salary, 2024
$748,900
dbWAR
-.2
1 season(s)
IP
58.1
ERA
5.55
FIP
4.83
K/9
8.9
FIP−
118
100 = avg

Mike Baumann is a relief pitcher for the Seattle Mariners. In 2024 he struck out 58 batters over 58.1 innings across 57 appearances, going 3-1. His ERA of 5.55 was 36.2% higher than the league average of 4.08 — the second worst on his team, and 462nd of 541 among MLB pitchers with 20+ innings. Stripping out defence, his 4.83 FIP suggests he pitched better than his ERA shows. He missed bats on 24.5% of swings (11.9% of every pitch he threw), walked 10.6% of the batters he faced and struck out 22.0%. His -0.2 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.

FIP4.83
K/98.9
WHIP1.49
WAR-.2

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 LHB113992841330.283.363.525.38026.5%
vs RHB1511293151528.240.331.403.32218.5%

Pitch sequencing

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

ShowBatter
Four-seamKnuckle curveSliderChangeupSinker

Select a count to see exactly what Mike Baumann throws in it.

Pitch arsenal

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

Four-Seam Fastball40.6%43496.52,28550.2%19.4%
Knuckle Curve33.4%35787.82,34146.2%28.7%
Slider23.9%25592.12,37143.9%27.5%
Changeup1.8%1989.12,12942.1%25.0%
Mike Baumann'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
202457058.1310593658285.554.831.498.94.3136118-0.2

Head to head

Put Mike Baumann beside up to three others.

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Mike Baumann

Similar players

Nearest 2024 seasons by command, run prevention and role, on rate statistics rather than totals.

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.