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Player

George Kirby

SEAPBats RThrows RActive

Season 2025 pitches thrown. Sequences are 2-, 3-, and 4-pitch windows. Count filters apply to 2-pitch type rows only. Location sequences use a 4-region plate map. Date windows stay on Arsenal and Hitting. Tunnel Score on Arsenal.

2-pitch windows

1,561

CSW%

24.7%

Whiff%

23.8%

Count+

45.8%

Sequence Entropy

76

Sequence Lift

3.6%

Sequence Effectiveness

+1.3%

Location sequence
Type plus a 4-region plate map (up-in, up-away, down-in, down-away). Pairs under 20 sequences are hidden. Count filters do not apply here.
Transition flow
Two-pitch sequences. Link width is how often the next type follows.
SweeperFour-seam FastballSinkerKnuckle CurveSplitterChangeupUnknownFour-seam FastballSweeperSinkerKnuckle CurveSplitterChangeupUnknown
Transition lift
P(next | first) minus the unconditional next-pitch mix. Positive means that follow-up is used more than usual after the first type.
SweeperFour-seam FastballSinkerKnuckle CurveSplitterChangeupUnknownFour-seam FastballSweeperSinkerKnuckle CurveSplitterChangeupUnknown
Sequence tree from Sweeper
Branches are 2-pitch, then 3- and 4-pitch n-grams when the sample clears the display floor. Count filters hide 3/4-grams.
SweeperSweeperFour-seam FastballFour-seam FastballSinkerSweeperSweeperFour-seam FastballSweeperSinkerSinkerSinkerSweeperKnuckle CurveKnuckle CurveFour-seam FastballSweeperFour-seam FastballFour-seam FastballSinkerFour-seam FastballSweeperSinkerSweeperSinkerFour-seam FastballSweeperSinkerKnuckle CurveSinkerSinkerFour-seam FastballFour-seam FastballSweeperSinkerSinkerSinkerFour-seam FastballSweeperSweeperFour-seam FastballSweeperKnuckle CurveSweeperSplitterKnuckle CurveFour-seam FastballSweeperSweeperKnuckle CurveKnuckle CurveSinkerSplitterKnuckle CurveFour-seam FastballChangeup
Whiff% after Sweeper
Last-pitch rates on the follow-up. Sample floors hide tiny pairs.
Pooled model after Sweeper
Observed mix versus a league-pooled next-pitch model given last pitch and count. Smoothing for rare contexts, not a sit or pick.