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Slider: Pitches with Spin 2021

Number of pitches with a usable spin measurement. This is the sample behind average spin. 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 Spin2021 season
#PlayerTeamSL spin count
1P. CorbinWSH1056
2R. RayTOR966
3J. GrayCOL966
4A. DeSclafaniSF898
5D. CeaseCWS884
6B. SingerKC872
7C. KershawLAD857
8Y. DarvishSD857
9A. AdamsSD837
10B. KellerKC817
11J. MusgroveSD816
12T. MahleCIN812
13A. AlzolayCHC774
14A. SenzatelaCOL763
15G. MárquezCOL738
16H. YnoaATL715
17M. WislerTB713
18A. WoodSF682
19K. Hyun KimSTL667
20J. BrubakerPIT665
21C. MizeDET663
22G. ColeNYY659
23S. McClanahanTB657
24C. KuhlPIT655
25L. GiolitoCWS643
26K. MaedaMIN639
27G. RichardsBOS637
28D. CastilloSEA620
29C. SmithAZ612
30C. RodónCWS603
31T. KinleyCOL593
32S. RomoOAK580
33T. SkubalDET579
34M. MinorKC571
35S. BarlowKC566
36B. SnellSD566
37N. PivettaBOS562
38D. BardCOL558
39M. FriedATL550
40L. CastilloCIN548
41E. SantanaKC548
42L. JacksonATL544
43L. CessaCIN538
44T. ScottBAL531
45W. CrowePIT531
46J. RossWSH530
47M. FoltynewiczTEX530
48M. ScherzerLAD529
49G. GallegosSTL526
50Y. KikuchiSEA522
SL spin count
Number of pitches with a usable spin measurement. This is the sample behind average spin. Uses pitches recorded as slider.

Understanding Slider: Pitches with Spin

Number of pitches with a usable spin measurement. This is the sample behind average spin. 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.