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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%
217th 3
Sv
351st 48.0
IP
76th 4.22
ERA
172nd 1.35
WHIP
313th 22.5%
K%
351st 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
91.6 11.9% 28.6% 42.9% 0.0% 5.17 2.27
322nd 94.6
FB MPH
171st 12.1%
SwStr%
159th 28.5%
CSW%
347th 51.2%
Str-ICR
1st 4.7%
MTK%
18th 4.94
PLV
10th 3.51
PLA

Articles

9/9/2026Fantasy Baseball Relief Pitcher Roundup: 9/8Rick Graham

9/2/2026Fantasy Baseball Relief Pitcher Roundup: 9/1Rick Graham

3/8/20262026 Minor League Injury PreviewJohn Villavicencio

2/24/2026Top 400 Starting Pitchers For Fantasy Baseball 2026 - SP Rankings 41-60Nick Pollack

1/6/2026Arizona Diamondbacks 2026 Starting Pitchers and SP Prospects BreakdownsNick Pollack

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 4.78 21.7% 12.0% 7.9 1.96 .250 28.6% 72.6% 40.4% 38.5% 9.9% 25.7% 0.42 4.72
2026 ARI 2 0 3.0 1-0 0 0 3.00 1.33 3.95 4.76 7.15 2.27 15.4% 23.1% 3.0 0.00 .125 0.0% 50.0% 25.0% 37.5% 11.9% 28.6% 0.24 5.17
RP MLB Percentile 0 0 0 14-84 0 0 78 49 58 28 0 97 10 0 100 98 100 98 1 98 21 50 54 0 94
RP MLB AVG 38 2 48.0 3-3 3 6 4.22 1.35 4.21 4.21 4.28 3.51 22.5% 9.8% 8.3 1.10 .290 17.5% 72.6% 36.8% 43.7% 12.1% 28.5% 0.50 4.94
Career 9 2 21.1 2-0 0 0 4.22 1.41 4.91 5.97 5.43 4.42 20.8% 13.5% 7.2 1.69 .232 23.5% 69.3% 38.3% 38.3% 10.1% 26.0% 0.40 4.77

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 14-84 0 0 0 0 0 100 0 100 100 97 47 98 0 99 83 47
RP MLB AVG 38 2 48.0 3-3 0 3 6 807 516 291 207 44 29 8 1 6 47 20 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 10 0 99 95 90 99 100 100 99 58 100 99 85 83 52 58
RP MLB AVG 22.5% 9.8% .240 .389 .713 .314 .290 .320 .235 .315 .279 .358 87.7 89.2 13.3 4.21
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 53 (8) 0 (11) 36 (10) 49 (20) - 53 (13) 13 (25) - - 31.9% 67.8%
RP MLB AVG 38.6% (94.6) 26.5% (94.0) 20.1% (89.4) 25.8% (85.9) 21.2% (82.4) 15.5% (80.3) 16.7% (86.2) 18.1% (86.6) 43.2% (61.5) 48.5% 51.3%
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 (82) 93 (9) - 98 (88) 0 (0) - - 0.3% 96.9%
RP MLB AVG 27.1% (29) 27.4% (12) 26.7% (13) 29.8% (25) 28.3% (18) 26.9% (13) 21.6% (17) 22.1% (18) 20.0% (9) 27.8% 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 19 97 0 0 100 0 47 0 98 99 99 3 98
RP MLB AVG 43.7% 21.6% 24.4% 10.3% 34.7% 40.8% 33.7% 25.5% 18.2% 62.9% 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 99 100 100 99 58 100 99 85 83 52 98 98 97
RP MLB AVG .240 .314 .290 .320 .235 .315 .279 .358 87.7 89.2 13.3 17.5% 36.8% 24.5%
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 84 0 0 0 93 0 93 100 0 56 50 54 77 0 0 1
RP MLB AVG 44.4% 63.8% 47.4% 31.8% 25.5% 18.2% 74.5% 84.0% 58.7% 16.4% 12.1% 28.5% 17.1% 58.4% 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 84 15 58 87 8 36 87 0 100 98
RP MLB AVG 44.4% 34.5% 27.0% 38.5% 36.4% 22.8% 40.8% 29.8% 43.2% 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 27 0 99
RP MLB AVG 58.5% 12.1% 29.9% 14.5% 61.0% 50.1% 21.1% 26.8% 19.2%
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 4.72 42.3% 17.2% 40.5% 1.7% 6.7% 1.3 -2 4.78
2026 ARI 42 5.17 52.4% 14.3% 33.3% 19.0% 0.0% -1.1 -1 2.27
RP MLB Percentile 0 94 97 9 83 83 100 58 53 97
RP MLB AVG 807 4.94 46.0% 17.3% 36.7% 9.2% 4.7% 0.6 -1 3.51
Career 385 4.77 43.4% 16.9% 39.7% 3.6% 6.0% 0.1 -3 4.42
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