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Foster Griffin
Foster Griffin
Washington Nationals • Pitcher
Age 30 • 6' 3" • 225 lb
Bats: R • Throws: L
MLB Debut: 2020-07-27
Born: Orlando , FL • USA
Draft: 2014
2026 Stats
W
6
L
2
ERA
3.63
WHIP
1.13
IP
62.0
SO
60
SV
0
HLD
0
G
11
GS
11
Career Stats
W
7
L
2
ERA
3.99
WHIP
1.17
IP
70.0
SO
65
SV
0
HLD
0
G
18
GS
11
Year-by-Year Pitching
Year Team GGSIP WLSVSO ERAWHIPAwards
2020 KC 1 — 1.2 1 — — 1 0.00 0.00
2022 Total 6 — 6.1 — — — 4 8.53 1.89
2026 WSH 11 11 62.0 6 2 — 60 3.63 1.13
Spring Training
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2018 KC 4—4.0 —1—— 6.752.00
2019 KC 315.1 —1—9 5.061.69
2020 KC 516.2 —1—9 9.452.10
2022 KC 2—2.2 ———2 6.751.88
2026 WSH 228.0 —1—9 4.501.25
Game Logs
Season selector loads one year at a time.
Pitching
Date Opponent IP H R ER BB SO HR
2026-05-24 @ ATL 6.0 3 0 0 1 6 0
2026-05-19 vs NYM 5.0 8 5 5 0 5 2
2026-05-14 @ CIN 4.1 7 9 9 3 7 2
2026-05-08 @ MIA 7.0 4 2 1 1 9 1
2026-05-02 vs MIL 6.0 3 3 0 4 3 0
2026-04-26 @ CWS 7.0 2 0 0 2 8 0
2026-04-21 vs ATL 6.0 5 3 3 1 3 2
2026-04-16 @ PIT 5.1 8 4 4 1 7 1
2026-04-11 @ MIL 5.1 1 0 0 3 1 0
2026-04-05 vs LAD 5.0 5 1 1 3 6 1
2026-03-30 @ PHI 5.0 5 2 2 0 5 1
Transactions
Entire history • newest first.
2026-04-16
LHP Foster Griffin changed number to 22.
2026-04-15
LHP Foster Griffin changed number to 42.
2025-12-22
Washington Nationals signed free agent LHP Foster Griffin.
2022-11-15
Toronto Blue Jays released LHP Foster Griffin.
2022-10-06
Toronto Blue Jays recalled LHP Foster Griffin from Buffalo Bisons.
2022-09-23
Toronto Blue Jays optioned LHP Foster Griffin to Buffalo Bisons.
2022-09-21
Toronto Blue Jays recalled LHP Foster Griffin from Buffalo Bisons.
2022-07-16
Toronto Blue Jays optioned LHP Foster Griffin to Buffalo Bisons.
2022-07-16
Toronto Blue Jays traded RHP Jonatan Bernal to Kansas City Royals for LHP Foster Griffin.
2022-07-11
Kansas City Royals designated LHP Foster Griffin for assignment.
2022-07-10
Kansas City Royals recalled LHP Foster Griffin from Omaha Storm Chasers.
2022-06-26
Kansas City Royals optioned LHP Foster Griffin to Omaha Storm Chasers.
2022-06-22
Kansas City Royals recalled LHP Foster Griffin from Omaha Storm Chasers.
2022-06-03
Kansas City Royals optioned LHP Foster Griffin to Omaha Storm Chasers.
2022-05-30
Kansas City Royals recalled LHP Foster Griffin from Omaha Storm Chasers.
2022-05-22
Kansas City Royals optioned LHP Foster Griffin to Omaha Storm Chasers.
2022-05-20
Kansas City Royals selected the contract of LHP Foster Griffin from Omaha Storm Chasers.
2022-03-13
Kansas City Royals invited non-roster LHP Foster Griffin and to spring training.
2020-12-11
Kansas City Royals signed free agent LHP Foster Griffin to a minor league contract.
2020-12-02
LHP Foster Griffin elected free agency.
2020-11-30
Kansas City Royals designated LHP Foster Griffin for assignment.
2020-10-30
Kansas City Royals activated LHP Foster Griffin from the 60-day injured list.
2020-07-31
Kansas City Royals transferred LHP Foster Griffin from the 10-day injured list to the 60-day injured list. Left forearm strain.
2020-07-28
Kansas City Royals placed LHP Foster Griffin on the 10-day injured list. Left forearm strain.
2020-07-23
Kansas City Royals recalled LHP Foster Griffin from Royals Alternate Training Site.
2020-03-10
Kansas City Royals optioned LHP Foster Griffin to Omaha Storm Chasers.
2019-11-20
Foster Griffin assigned to Kansas City Royals from Omaha Storm Chasers.
2019-01-08
Kansas City Royals invited non-roster LHP Foster Griffin to spring training.
2018-01-05
Kansas City Royals invited non-roster LHP Foster Griffin to spring training.
2014-06-10
Kansas City Royals signed LHP Foster Griffin.
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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