DataBaseball
2026
Dillon Maples headshot

Pitcher · 2021

Dillon Maples

Age
29
B/T
R/R
Height
6' 2"
Weight
230 lb
Born
May 9, 1992 in Sanford, NC, USA
MLB debut
September 3, 2017
dbWAR
-.3
5 season(s)
IP
31.1
ERA
2.59
FIP
4.61
K/9
11.5
FIP−
108
100 = avg

Dillon Maples is a relief pitcher for the Chicago Cubs. In 2021 he struck out 40 batters over 31.1 innings across 28 appearances, going 1-0. His ERA of 2.59 was 39.4% lower than the league average of 4.27 — the third best on his team, and 58th of 567 among MLB pitchers with 20+ innings. Stripping out defence, his 4.61 FIP suggests that his ERA had some help behind him. He missed bats on 30.5% of swings (10.6% of every pitch he threw), walked 18.0% of the batters he faced and struck out 28.8%. His 0.0 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.

FIP4.61
K/911.5
WHIP1.28
WAR.0

Pitching

Standard and advanced, by season.

Trend
202128031.110015940252.594.611.2811.57.2611080.0
2020201.0000121418.0013.195.009.036.0404296-0.1
201914011.21006718105.405.961.3713.97.7120132-0.1
2018905.1100779511.818.602.2515.28.4285207-0.2
2017605.10006611610.132.412.2518.610.1232550.1

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 LHB6946401621.087.377.109.29030.4%
vs RHB7058112919.190.314.328.29527.1%

Pitch sequencing

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

ShowBatter
SliderFour-seamSinkerCurveball

Select a count to see exactly what Dillon Maples throws in it.

Pitch arsenal

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

Slider35.8%20287.52,84149.5%47.1%
Four-Seam Fastball33.1%18795.12,65844.4%14.3%
Sinker18.6%10595.42,61032.4%16.7%
Curveball12.6%7184.13,14838.0%55.0%
Dillon Maples'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

Put Dillon Maples beside up to three others.

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Dillon Maples

Similar players

Nearest 2021 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.