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Blake Walston

#48 - Relief Pitcher

Arizona Diamondbacks

Bats / Throws Left / Left
Date of Birth 6/28/2001 (25)
Height, Weight 6'5", 205 lb
Hometown Wilmington, NC

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 3.0 3.00 1.33 15.4% 23.1%
221st 3
Sv
351st 52.0
IP
68th 4.19
ERA
173rd 1.34
WHIP
318th 22.7%
K%
351st 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
91.6 11.9% 28.6% 42.9% 0.0% 5.19 2.20
327th 94.7
FB MPH
169th 12.2%
SwStr%
166th 28.6%
CSW%
349th 51.2%
Str-ICR
1st 4.7%
MTK%
14th 4.94
PLV
8th 3.56
PLA

Articles

1/6/2026Arizona Diamondbacks Rotation and SP Prospects Analyzed For 2026Nick Pollack

2/24/2025Every Diamondbacks Starting Pitcher Analyzed For 2025Nick Pollack

2/20/2025Top 400 Starting Pitchers For Fantasy Baseball 2025 - SP Rankings 301-450Nick Pollack

9/25/2024Fantasy Baseball Daily Hitting Recap: 9/24/24Mark Steubinger

6/5/2024Fantasy Baseball Relief Pitcher Rankings - 6/5/24 Depth ChartScott McDermott

See More Articles
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Blake Walston Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L Sv Hld ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR% GB% SwStr% CSW% IPR% PLV
2024 ARI 7 2 18.1 1-0 0 0 4.42 1.42 5.07 6.21 5.17 1.06 21.7% 12.0% 7.9 1.96 .250 28.6% 72.6% 40.4% 38.5% 9.9% 25.7% 0.42 5.14
2026 ARI 2 0 3.0 1-0 0 0 3.00 1.33 3.95 4.77 7.16 2.20 15.4% 23.1% 3.0 0.00 .125 0.0% 50.0% 25.0% 37.5% 11.9% 28.6% 0.24 5.19
RP MLB Percentile 0 0 0 12-85 0 0 80 49 58 24 0 98 9 0 100 99 100 99 1 98 21 50 52 0 96
RP MLB AVG 42 2 52.0 3-3 3 7 4.19 1.34 4.16 4.17 4.24 3.56 22.7% 9.8% 8.3 1.08 .291 17.6% 72.5% 36.8% 44.0% 12.2% 28.6% 0.50 4.94
Career 9 2 21.1 2-0 0 0 4.22 1.41 4.91 5.97 5.43 1.22 20.8% 13.5% 7.2 1.69 .232 23.5% 69.3% 38.3% 38.3% 10.1% 26.0% 0.40 5.16

Blake Walston Repertoire

2024 2026 All
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Blake Walston Game Log

Blake Walston Standard

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Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2024 ARI 7 2 18.1 1-0 0 0 0 343 208 135 83 16 10 2 0 4 18 10 3 0
2026 ARI 2 0 3.0 1-0 0 0 0 42 22 20 13 1 0 1 0 0 2 3 0 1
RP MLB Percentile 0 0 0 12-85 0 0 0 0 0 100 0 100 100 98 50 99 0 99 85 51
RP MLB AVG 42 2 52.0 3-3 0 3 7 884 565 319 227 48 32 9 1 6 52 21 3 2
Career 9 2 21.1 2-0 0 0 0 385 230 155 96 17 10 3 0 4 20 13 3 1

Blake Walston Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2024 ARI 21.7% 12.0% .229 .429 .778 .344 .250 .308 .228 .349 .248 .383 90.1 87.0 18.8 5.07
2026 ARI 15.4% 23.1% .125 .250 .558 .178 .125 .125 .154 .239 .087 .242 85.7 86.6 12.9 3.95
RP MLB Percentile 9 0 99 96 91 100 100 100 98 58 100 99 84 85 50 58
RP MLB AVG 22.7% 9.8% .241 .388 .712 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 4.16
Career 20.8% 13.5% .218 .410 .754 .327 .232 .283 .220 .338 .227 .366 89.5 86.9 18.1 4.91

Blake Walston Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2024 ARI32.7% (91.5)3.8% (89.1)17.8% (87.6)3.5% (81.7)12.8% (82.3)13.1% (77.2)16.3% (86.1)-- 36.4% 63.6%
2026 ARI40.5% (91.6)2.4% (90.5)14.3% (86.2)23.8% (84.2)-14.3% (76.5)4.8% (84.6)-- 42.9% 57.1%
RP MLB Percentile 52 (7) 1 (11) 37 (11) 48 (17) - 53 (15) 10 (27) - - 30.8% 69.0%
RP MLB AVG 38.7% (94.7) 26.6% (94.1) 19.7% (89.4) 25.9% (86.1) 20.7% (82.3) 15.3% (80.3) 17.8% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career33.5% (91.5)3.6% (89.2)17.4% (87.4)5.7% (82.8)11.4% (82.3)13.3% (77.2)15.1% (86.1)-- 37.1% 62.9%

Blake Walston Pitch › Results

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Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2024 ARI31.3% (11)7.7% (0)19.7% (2)33.3% (2)27.3% (9)28.9% (5)19.6% (5)-- 28.8% 23.9%
2026 ARI17.6% (1)0.0% (0)33.3% (1)40.0% (3)-50.0% (0)0.0% (0)-- 16.7% 37.5%
RP MLB Percentile 3 (0) 0 (0) 83 (83) 95 (6) - 98 (90) 0 (0) - - 0.3% 97.2%
RP MLB AVG 27.2% (32) 27.6% (13) 27.0% (15) 29.7% (28) 28.5% (20) 27.3% (15) 22.4% (21) 22.6% (21) 19.3% (9) 27.9% 28.8%
Career29.5% (12)7.1% (0)20.9% (3)36.4% (5)27.3% (9)31.4% (5)19.0% (5)-- 27.3% 25.2%

Blake Walston Batted Ball › Contact

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Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2024 ARI 38.5% 23.1% 26.9% 11.5% 32.7% 42.3% 30.8% 26.9% 19.8% 59.6% 23.1% 7.7% 9.6% 40.4%
2026 ARI 37.5% 25.0% 37.5% 0.0% 50.0% 62.5% 12.5% 25.0% 4.8% 75.0% 12.5% 0.0% 12.5% 25.0%
RP MLB Percentile 21 15 98 0 0 100 0 47 0 98 100 99 2 98
RP MLB AVG 44.0% 21.7% 24.1% 10.2% 34.6% 40.9% 33.7% 25.4% 18.1% 63.0% 24.5% 5.8% 6.8% 36.8%
Career 38.3% 23.3% 28.3% 10.0% 35.0% 45.0% 28.3% 26.7% 18.2% 61.7% 21.7% 6.7% 10.0% 38.3%

Blake Walston Batted Ball › Outcomes

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Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR% IPA%
2024 ARI .229 .344 .250 .308 .228 .349 .248 .383 90.1 87.0 18.8 28.6% 40.4% 25.3%
2026 ARI .125 .178 .125 .125 .154 .239 .087 .242 85.7 86.6 12.9 0.0% 25.0% 15.4%
RP MLB Percentile 99 100 100 100 98 58 100 99 84 85 50 99 98 97
RP MLB AVG .241 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 17.6% 36.8% 24.4%
Career .218 .327 .232 .283 .220 .338 .227 .366 89.5 86.9 18.1 23.5% 38.3% 24.0%

Blake Walston Approach › Plate Discipline

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Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2024 ARI 44.3% 60.6% 44.9% 25.7% 22.1% 19.8% 77.9% 87.6% 57.1% 15.7% 9.9% 25.7% 15.2% 56.0% 0.42 48.4%
2026 ARI 47.6% 52.4% 35.7% 13.6% 33.3% 4.8% 66.7% 58.3% 100.0% 16.7% 11.9% 28.6% 19.0% 50.0% 0.24 42.9%
RP MLB Percentile 83 0 0 0 92 0 92 100 0 55 50 52 77 0 0 1
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.1% 74.4% 83.9% 58.5% 16.4% 12.2% 28.6% 17.1% 58.3% 0.50 51.2%
Career 44.7% 59.7% 43.9% 24.4% 23.1% 18.2% 76.9% 84.6% 59.6% 15.8% 10.1% 26.0% 15.6% 55.3% 0.40 47.8%

Blake Walston Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2024 ARI 44.3% 38.5% 22.7% 38.8% 32.1% 25.1% 42.9% 36.4% 40.8% 6.4%
2026 ARI 47.6% 28.6% 26.2% 45.2% 26.2% 23.8% 50.0% 14.3% 59.5% 9.5%
RP MLB Percentile 83 14 57 87 8 36 89 0 100 98
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 44.7% 37.4% 23.1% 39.5% 31.4% 24.9% 43.6% 34.0% 42.9% 6.8%

Blake Walston Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2024 ARI 56.6% 12.8% 30.6% 11.9% 62.7% 57.8% 21.1% 20.0% 17.1%
2026 ARI 73.8% 26.2% 14.3% 19.4% 41.7% 25.0% 19.4% 16.7% 33.3%
RP MLB Percentile 100 0 0 96 0 0 28 0 99
RP MLB AVG 58.5% 12.1% 29.9% 14.5% 61.1% 50.2% 21.1% 26.7% 19.3%
Career 58.4% 14.3% 28.8% 12.9% 60.0% 53.7% 20.9% 19.8% 18.0%

Blake Walston PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2024 ARI 343 5.14 51.4% 14.4% 34.2% 17.1% 7.2% 3.5 +0 1.06
2026 ARI 42 5.19 54.8% 11.9% 33.3% 21.4% 0.0% -1.1 -1 2.20
RP MLB Percentile 0 96 100 0 83 83 100 59 53 98
RP MLB AVG 884 4.94 45.9% 17.3% 36.8% 9.1% 4.7% 0.6 0 3.56
Career 385 5.16 52.3% 13.7% 34.0% 18.3% 5.2% 2.4 -1 1.22
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