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Jack Sinclair
Jack Sinclair
Washington Nationals • Pitcher
Age 27 • 6' 4" • 170 lb
Bats: R • Throws: R
MLB Debut: 2026-09-04
Born: Coral Springs , FL • USA
Draft: 2021
2026 Stats
W
1
L
0
ERA
2.45
WHIP
0.91
IP
11.0
SO
8
SV
1
HLD
5
G
11
GS
0
Career Stats
W
1
L
0
ERA
2.45
WHIP
0.91
IP
11.0
SO
8
SV
1
HLD
5
G
11
GS
0
Year-by-Year Pitching
Year Team GGSIP WLSVSO ERAWHIPAwards
2026 WSH 11 — 11.0 1 — 1 8 2.45 0.91
Spring Training
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2025 WSH 4—6.2 1——6 1.351.35
2026 WSH 2—2.0 ———4 0.000.50
Game Logs
Season selector loads one year at a time.
Pitching
Date Opponent IP H R ER BB SO HR
2026-09-27 vs NYM 0.2 0 0 0 0 1 0
2026-09-25 vs NYM 1.0 2 1 1 0 1 0
2026-09-23 @ DET 0.1 0 0 0 0 0 0
2026-09-22 @ DET 1.1 0 0 0 0 1 0
2026-09-19 @ STL 1.1 1 0 0 0 0 0
2026-09-18 @ STL 1.0 1 1 1 1 0 0
2026-09-13 vs LAA 1.0 1 1 1 0 1 0
2026-09-12 vs LAA 1.1 0 0 0 1 1 0
2026-09-07 @ SD 1.1 1 0 0 1 0 0
2026-09-05 @ LAD 0.2 0 0 0 1 2 0
2026-09-04 @ LAD 1.0 0 0 0 0 1 0
Transactions
Entire history • newest first.
2026-09-04
Washington Nationals selected the contract of RHP Jack Sinclair from Rochester Red Wings.
2026-02-21
RHP Jack Sinclair assigned to Washington Nationals.
2025-01-23
Washington Nationals invited non-roster RHP Jack Sinclair to spring training.
2024-03-13
RHP Jack Sinclair assigned to Washington Nationals.
2023-02-25
RHP Jack Sinclair assigned to Washington Nationals.
2023-02-25
RHP Jack Sinclair roster status changed by Washington Nationals.
2021-07-19
Washington Nationals signed RHP Jack Sinclair.
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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