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ⓘ Descriptive — not a forecastGrades describe this season's stuff and run prevention. They are not forecasts: on clean season pairs the model has not beaten naive persistence (RESULTS-MLB §13), so nothing here projects next season.
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Splitter

(494 pitchers)
FS leaderboard, sorted by ABStuff+ descending. Page 1 of 20.
# rank on this page
1Félix BautistaBAL202324224.888.67.6-6.8904-8.16.734.756.943.813199, 99th percentile among 2023 MLB splitters (50+ pitches)11799, 99th percentile among 2023 MLB splitters (50+ pitches)10135, 35th percentile among 2023 MLB splitters (50+ pitches)
2Roki SasakiLAD202660328.790.21.2-7.1918-7.87.238.633.535.412597, 97th percentile among 2026 MLB splitters (50+ pitches)11299, 99th percentile among 2026 MLB splitters (50+ pitches)11899, 99th percentile among 2026 MLB splitters (50+ pitches)
3Roki SasakiLAD20261627.785.5-2.7-3.3614-7.97.135.832.926.712597, 97th percentile among 2026 MLB splitters (50+ pitches)11299, 99th percentile among 2026 MLB splitters (50+ pitches)11899, 99th percentile among 2026 MLB splitters (50+ pitches)
4Jhoan DuránMIN202327527.198.32.8-12.21717-6.86.655.621.332.510572, 72nd percentile among 2023 MLB splitters (50+ pitches)11298, 98th percentile among 2023 MLB splitters (50+ pitches)11297, 97th percentile among 2023 MLB splitters (50+ pitches)
5Félix BautistaBAL202517928.688.910.5-8.81050-7.76.835.250.038.612297, 97th percentile among 2025 MLB splitters (50+ pitches)11199, 99th percentile among 2025 MLB splitters (50+ pitches)9921, 21st percentile among 2025 MLB splitters (50+ pitches)
6Logan GilbertSEA202540619.381.8-0.9-4.8725-8.47.427.849.435.312799, 99th percentile among 2025 MLB splitters (50+ pitches)11199, 99th percentile among 2025 MLB splitters (50+ pitches)10776, 76th percentile among 2025 MLB splitters (50+ pitches)
7Aroldis ChapmanPIT202413812.291.63.54.01235-7.47.631.942.935.013399, 99th percentile among 2024 MLB splitters (50+ pitches)11199, 99th percentile among 2024 MLB splitters (50+ pitches)10780, 80th percentile among 2024 MLB splitters (50+ pitches)
8Logan GilbertSEA202440413.384.50.4-5.9640-8.07.624.048.029.911797, 97th percentile among 2024 MLB splitters (50+ pitches)11099, 99th percentile among 2024 MLB splitters (50+ pitches)10026, 26th percentile among 2024 MLB splitters (50+ pitches)
9Logan GilbertSEA202644515.082.0-2.1-4.5685-8.87.422.741.127.813199, 99th percentile among 2026 MLB splitters (50+ pitches)11097, 97th percentile among 2026 MLB splitters (50+ pitches)11497, 97th percentile among 2026 MLB splitters (50+ pitches)
10Aroldis ChapmanBOS202510211.191.24.05.11276-7.57.540.244.840.513699, 99th percentile among 2025 MLB splitters (50+ pitches)11098, 98th percentile among 2025 MLB splitters (50+ pitches)10562, 62nd percentile among 2025 MLB splitters (50+ pitches)
11Logan GilbertSEA202343214.885.64.0-7.3906-7.57.337.032.530.111996, 96th percentile among 2023 MLB splitters (50+ pitches)11096, 96th percentile among 2023 MLB splitters (50+ pitches)10572, 72nd percentile among 2023 MLB splitters (50+ pitches)
12Ryan HelsleyBAL20263312.390.19.1-12.31447-6.66.845.550.044.4115110103
13José SorianoLAA20239914.995.62.0-14.91703-6.76.634.331.624.411087, 87th percentile among 2023 MLB splitters (50+ pitches)10994, 94th percentile among 2023 MLB splitters (50+ pitches)10991, 91st percentile among 2023 MLB splitters (50+ pitches)
14Justin MartinezAZ20265423.390.3-0.6-8.8723-7.76.335.250.036.210774, 74th percentile among 2026 MLB splitters (50+ pitches)10996, 96th percentile among 2026 MLB splitters (50+ pitches)10441, 41st percentile among 2026 MLB splitters (50+ pitches)
15Jhoan DuránMIN202542839.997.81.7-14.01825-6.76.257.022.034.710773, 73rd percentile among 2025 MLB splitters (50+ pitches)10997, 97th percentile among 2025 MLB splitters (50+ pitches)12099, 99th percentile among 2025 MLB splitters (50+ pitches)
16Tyron GuerreroBOS2026264.392.03.5-9.01373-7.77.238.517.625.0112109103
17Aroldis ChapmanKC2023696.990.42.52.81168-7.27.347.845.742.613499, 99th percentile among 2023 MLB splitters (50+ pitches)10993, 93rd percentile among 2023 MLB splitters (50+ pitches)10679, 79th percentile among 2023 MLB splitters (50+ pitches)
18Yovanny CruzWSH2026207.989.61.6-5.81351-7.86.350.045.537.5105109119
19Jeff HoffmanPHI202411912.090.54.3-15.61719-6.86.638.731.930.79531, 31st percentile among 2024 MLB splitters (50+ pitches)10897, 97th percentile among 2024 MLB splitters (50+ pitches)10565, 65th percentile among 2024 MLB splitters (50+ pitches)
20Jeff HoffmanPHI202315517.890.55.4-15.41640-7.26.743.232.931.49735, 35th percentile among 2023 MLB splitters (50+ pitches)10891, 91st percentile among 2023 MLB splitters (50+ pitches)9817, 17th percentile among 2023 MLB splitters (50+ pitches)
21Dylan RossNYM2026763.688.22.8-3.2627-5.86.914.333.316.711310884
22Jhoan DuránPHI202644547.097.62.9-14.11704-6.96.053.025.935.810773, 73rd percentile among 2026 MLB splitters (50+ pitches)10895, 95th percentile among 2026 MLB splitters (50+ pitches)12199, 99th percentile among 2026 MLB splitters (50+ pitches)
23Joe BoyleTB20265014.792.51.9-17.52088-6.46.740.029.626.211086, 86th percentile among 2026 MLB splitters (50+ pitches)10894, 94th percentile among 2026 MLB splitters (50+ pitches)10444, 44th percentile among 2026 MLB splitters (50+ pitches)
24Seth HalvorsenCOL20245028.289.42.8-13.01649-6.66.946.030.838.510578, 78th percentile among 2024 MLB splitters (50+ pitches)10896, 96th percentile among 2024 MLB splitters (50+ pitches)11399, 99th percentile among 2024 MLB splitters (50+ pitches)
25Trey WingenterCHC202495.089.13.1-13.31342-7.46.633.316.728.698107100

Page 1 of 20 · 494 results

1

Percentile chips rank each grade among that season's MLB pitchers' splitter (50+ pitches of the type, that season). Stuff+ / Pitching+ are per pitch class × batter side: Splitter rows share the class grade where types are pooled — the Shared-grade note on each profile says when.