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Blake Walston
Blake Walston
Arizona Diamondbacks • Pitcher
Age 25 • 6' 5" • 205 lb
Bats: L • Throws: L
MLB Debut: 2024-05-01
Born: Wilmington , NC • USA
Draft: 2019
2026 Stats
W
1
L
0
ERA
3.00
WHIP
1.33
IP
3.0
SO
2
SV
0
HLD
0
G
2
GS
0
Career Stats
W
2
L
0
ERA
4.22
WHIP
1.41
IP
21.1
SO
20
SV
0
HLD
0
G
9
GS
2
Year-by-Year Pitching
Year Team GGSIP WLSVSO ERAWHIPAwards
2024 AZ 7 2 18.1 1 — — 18 4.42 1.42
2026 AZ 2 — 3.0 1 — — 2 3.00 1.33
Spring Training
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2023 AZ 1—1.2 ———2 5.401.80
2024 AZ 326.1 ———5 5.681.89
2025 AZ 316.1 —1—4 9.951.89
Game Logs
Season selector loads one year at a time.
Pitching
Date Opponent IP H R ER BB SO HR
2026-09-08 @ KC 2.0 0 1 0 3 2 0
2026-09-01 vs PHI 1.0 1 1 1 0 0 0
Transactions
Entire history • newest first.
2026-09-28
Arizona Diamondbacks recalled LHP Blake Walston from Reno Aces.
2026-09-09
Arizona Diamondbacks optioned LHP Blake Walston to Reno Aces.
2026-09-01
Arizona Diamondbacks activated LHP Blake Walston from the 60-day injured list.
2026-08-04
Arizona Diamondbacks sent LHP Blake Walston on a rehab assignment to Reno Aces.
2026-08-04
Arizona Diamondbacks sent LHP Blake Walston on a rehab assignment to Reno Aces.
2026-03-25
Arizona Diamondbacks placed LHP Blake Walston on the 60-day injured list. Left UCL surgery.
2025-11-06
Arizona Diamondbacks activated LHP Blake Walston from the 60-day injured list.
2025-03-23
Arizona Diamondbacks placed LHP Blake Walston on the 60-day injured list. Left ulnar collateral ligament sprain.
2024-10-01
Arizona Diamondbacks recalled LHP Blake Walston from ACL D-backs.
2024-09-26
Arizona Diamondbacks optioned LHP Blake Walston to ACL D-backs.
2024-09-15
Arizona Diamondbacks recalled LHP Blake Walston from Reno Aces.
2024-08-12
Arizona Diamondbacks activated LHP Blake Walston from the 15-day injured list.
2024-08-12
Arizona Diamondbacks optioned LHP Blake Walston to Reno Aces.
2024-08-11
Arizona Diamondbacks sent LHP Blake Walston on a rehab assignment to Reno Aces.
2024-08-11
Arizona Diamondbacks sent LHP Blake Walston on a rehab assignment to Reno Aces.
2024-06-06
Arizona Diamondbacks placed LHP Blake Walston on the 15-day injured list. Left elbow inflammtion.
2024-05-26
Arizona Diamondbacks recalled LHP Blake Walston from Reno Aces.
2024-05-02
Arizona Diamondbacks optioned LHP Blake Walston to Reno Aces.
2024-05-01
Arizona Diamondbacks recalled LHP Blake Walston from Reno Aces.
2024-03-18
Arizona Diamondbacks optioned LHP Blake Walston to Reno Aces.
2023-11-14
Arizona Diamondbacks selected the contract of LHP Blake Walston from Reno Aces.
2023-02-27
LHP Blake Walston and assigned to Arizona Diamondbacks.
2020-06-28
Arizona Diamondbacks invited non-roster LHP Blake Walston to spring training.
2019-06-19
Arizona Diamondbacks signed LHP Blake Walston.
Scouting Report
Statcast-style percentiles • Basenerd theme
Season 2026
Ready
Basic Line
Season / Game
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Pitch Arsenal
Usage • Velo • Break • Spin • xwOBA
Pitch N Use% Velo HB IVB Spin xwOBA Whiff% Zone% Chase% BNStuff+ BNCtrl+
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Notes
Primary pitch summary
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Movement Profile (Induced Break)
Pitcher's View: HB vs Rise / Drop (in)
Circles: 12/18/24 in • Dots = pitch types (size ~ pitch count)
Pitch Location Heatmaps
KDE-style blur • fixed zone • catcher POV
vs. LHH
vs. RHH
Zone: left -0.7083 / right 0.7083 • bot 1.595 / top 3.394 • Domain: X [-2,2], Z [0,5]
Statcast Game Log
Per-game pitch metrics from Statcast
Date Pitches Velo BNStuff+ BNCtrl+ Whiff% Zone% Chase% K% BB% xwOBA
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