DataBaseball
2026
Blake Walston headshot

Pitcher · 2024

Blake Walston

Age
23
B/T
L/L
Height
6' 5"
Weight
205 lb
Number
#48
Born
June 28, 2001 in Wilmington, NC, USA
MLB debut
May 1, 2024
Drafted
2019, round 1
High school
New Hanover
Salary, 2024
$740,000
dbWAR
-.3
1 season(s)
IP
18.1
ERA
4.42
FIP
6.17
K/9
8.8
FIP−
151
100 = avg

Blake Walston is a relief pitcher for the Arizona Diamondbacks. In 2024 he struck out 18 batters over 18.1 innings across 7 appearances, going 1-0. His ERA of 4.42 was 8.3% higher than the league average of 4.08. Stripping out defence, his 6.17 FIP suggests that his ERA had some help behind him. He missed bats on 22.1% of swings (9.9% of every pitch he threw), walked 12.0% of the batters he faced and struck out 21.7%. 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, 2024.

FIP6.17
K/98.8
WHIP1.42
WAR-.3

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 LHB17154122.267.353.533.38111.8%
vs RHB6655123816.218.348.400.33924.2%

Pitch sequencing

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

ShowBatter
Four-seamCutterChangeupSweeperCurveballSinker

Select a count to see exactly what Blake Walston throws in it.

Pitch arsenal

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

Four-Seam Fastball32.7%11291.52,08949.1%23.9%
Cutter16.9%5887.72,13353.4%6.5%
Sweeper16.9%5882.42,36944.8%33.3%
Changeup16.3%5686.11,30633.9%25.0%
Curveball13.4%4677.32,58647.8%26.3%
Sinker3.8%1389.12,07423.1%0.0%
Blake Walston'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
20247218.110016918104.426.171.428.84.9108151-0.3

Head to head

Put Blake Walston beside up to three others.

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Blake Walston
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.