Probetrics — Sports Analytics
MLB Prop Board

George Kirby

Seattle Mariners · P · Bats R · Throws R

Trending splitsvs LHP 23%(13)
Last 10
67%4/6 over 1 · 4 push
Window avg
1.30
Median
1.0
L5
67%
2/3
L10
67%
4/6
L20
69%
9/13
2026
73%
8/11
Avg1.04
Streak

Pitcher Walkslast 10 vs 1

official box scores
1vs ATL05/052@ HOU05/112vs SD05/170@ KC05/231vs AZ05/291vs NYM06/033@ BAL06/100vs BAL06/172@ PIT06/231vs LAA06/291

Tonight's odds — Pitcher Walks

No live odds right now.

Pitch arsenal — 2026

Usage share and average velocity by pitch type.

Sweeper29.9% · 87.1 mph
Four-seam FB29.4% · 96.7 mph
Sinker21.0% · 96.9 mph
Knuckle Curve9.9% · 83.8 mph
Changeup6.7% · 88.7 mph
Cutter3.0% · 93.2 mph