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Slider: Pitches with Speed 2021

Number of pitches with a usable speed measurement. This is the sample behind average speed. Uses pitches recorded as slider.

Recorded pitch types. Usage divides by all delivered pitches, including unknown types. Speed is in mph, spin in rpm and extension in feet. Averages use measured pitches only. Whiffs divide misses by swings. Data through December 31, 2021. Data refreshed Sep 9, 2026, 10:11 AM UTC.

Slider: Pitches with Speed2021 season
#PlayerTeamSL speed count
1P. CorbinWSH1057
2R. RayTOR968
3J. GrayCOL966
4A. DeSclafaniSF913
5D. CeaseCWS887
6B. SingerKC873
7Y. DarvishSD859
8C. KershawLAD858
9A. AdamsSD838
10B. KellerKC818
11T. MahleCIN817
12J. MusgroveSD816
13A. AlzolayCHC775
14A. SenzatelaCOL766
15G. MárquezCOL740
16M. WislerTB715
17H. YnoaATL715
18A. WoodSF693
19K. Hyun KimSTL671
20J. BrubakerPIT665
21C. MizeDET663
22S. McClanahanTB660
23G. ColeNYY659
24C. KuhlPIT656
25L. GiolitoCWS643
26K. MaedaMIN641
27G. RichardsBOS638
28D. CastilloSEA622
29C. SmithAZ612
30C. RodónCWS604
31T. KinleyCOL596
32T. SkubalDET581
33S. RomoOAK581
34M. MinorKC573
35S. BarlowKC567
36B. SnellSD567
37N. PivettaBOS562
38D. BardCOL561
39M. FriedATL550
40L. CastilloCIN550
41E. SantanaKC548
42L. JacksonATL544
43L. CessaCIN538
44W. CrowePIT533
45J. RossWSH532
46T. ScottBAL532
47M. FoltynewiczTEX530
48M. ScherzerLAD529
49G. GallegosSTL526
50J. ChargoisTB522
SL speed count
Number of pitches with a usable speed measurement. This is the sample behind average speed. Uses pitches recorded as slider.

Understanding Slider: Pitches with Speed

Number of pitches with a usable speed measurement. This is the sample behind average speed. Uses pitches recorded as slider.

Season rankings use regular-season records. A player has one combined row across teams; the team label identifies the associated team, not a separate team stint.

Source: MLB statistics and MLBDB derived measures. Formulas describe the measure above. Data refreshed Sep 9, 2026, 10:11 AM UTC.