No. 1 / Sweeper: Average Spin / 2020
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Sweeper: Average Spin 2020
How fast the ball spins, measured in turns per minute. Only measured pitches are included. More spin is not always better. Uses pitches recorded as sweeper.
At least 100 pitches of this type with a spin measurement in this season. 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, 2020. Data refreshed Sep 9, 2026, 10:14 AM UTC.
| # | Player | Team | ST spin count | Type coverage | ST rpm |
|---|---|---|---|---|---|
| 1 |  D. MayDustin May |  LAD | 112 | 100.0% | |
| 2 |  T. BauerTrevor Bauer |  CIN | 185 | 100.0% | |
| 3 |  A. OttavinoAdam Ottavino |  NYY | 160 | 100.0% | |
| 4 |  S. GraySonny Gray | CIN | 149 | 100.0% | |
| 5 |  Y. DarvishYu Darvish |  CHC | 173 | 100.0% | |
| 6 |  J. DiekmanJake Diekman |  OAK | 143 | 100.0% | |
| 7 |  L. WebbLogan Webb |  SF | 135 | 100.0% | |
| 8 |  T. RogersTaylor Rogers |  MIN | 163 | 100.0% | |
| 9 |  C. JavierCristian Javier |  HOU | 226 | 100.0% | |
| 10 |  M. ClevingerMike Clevinger |  SD | 194 | 100.0% | |
| 11 |  J. JunisJakob Junis |  KC | 182 | 100.0% | |
| 12 |  Y. RamírezYohan Ramírez |  SEA | 167 | 100.0% | |
| 13 |  B. HandBrad Hand |  CLE | 187 | 100.0% | |
| 14 |  F. PeraltaFreddy Peralta |  MIL | 109 | 100.0% | |
| 15 |  H. MilnerHoby Milner |  LAA | 109 | 100.0% |
- ST rpm
- How fast the ball spins, measured in turns per minute. Only measured pitches are included. More spin is not always better. Uses pitches recorded as sweeper.
Understanding Sweeper: Average Spin
How fast the ball spins, measured in turns per minute. Only measured pitches are included. More spin is not always better. Uses pitches recorded as sweeper.
Formula: Sum of recorded spin rates ÷ pitches with spin measurements
Read rates alongside playing time. A small sample can produce an extreme result, and a missing value is different from zero.
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, 10:14 AM UTC.