DataBaseball
2026
Sean Nolin headshot

Players · N · Pitcher · 2023

Sean Nolin

Age
34
B/T
L/L
Height
6' 4"
Weight
250 lb
Number
#35
Born
December 26, 1989 in Seaford, NY, United States
MLB debut
May 24, 2013
dbWAR
-.5
4 season(s)
IP
3.0
ERA
18.00
FIP
12.59
K/9
6.0
FIP−
291
100 = avg

Sean Nolin was a relief pitcher for the Miami Marlins. In 2023 he struck out 2 batters over 3.0 innings across 1 appearance, going 0-0. His ERA of 18.00 was 315.5% higher than the league average of 4.33. Stripping out defence, his 12.59 FIP suggests he pitched better than his ERA shows. He missed bats on 21.2% of swings (11.3% of every pitch he threw), walked 11.1% of the batters he faced and struck out 11.1%. 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.

FIP12.59
K/96.0
WHIP3.00
WAR-.3

WAR by season

0.0-0.1-0.3152123

Pitching

Standard and advanced, by season.

Trend
2023MIA103.0000762218.0012.593.006.06.0416291-0.3
2021WSH10526.2020321320134.395.311.696.84.4103124-0.1
2015OAK6629.0120351715125.285.131.624.73.7133130-0.1

Batting

Standard and advanced, by season.

Trend
2021WSH56000003.000.000.000.000.0000.0%50.0%.000-1.6-122-0.1—

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 LHB652110.400.5001.200.6590.0%
vs RHB12115112.455.500.909.58216.7%

Pitch sequencing

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

ShowBatter
Four-seamCutterSweeperChangeupCurveball

Select a count to see exactly what Sean Nolin throws in it.

Pitch arsenal

What he throws, how hard, how often it misses, and what hitters do with it.

Four-Seam Fastball33.9%2190.22,18752.4%33.3%4——
Cutter22.6%1485.12,15364.3%14.3%1——
Curveball17.7%1176.12,14327.3%28.6%5——
Sean Nolin'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. BAA and OPS are what hitters did against each pitch, credited to the one that ended the plate appearance, and are left blank under 15 at-bats.

Head to head

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Sean Nolin
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.