No. 1 / Slurve: Average Extension / 2018
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Season leader
Player stats
Slurve: Average Extension 2018
How far toward home plate the pitcher releases the ball, measured in feet from the pitching rubber. Only pitches with this measurement are included. Uses pitches recorded as slurve.
At least 100 pitches of this type with an extension 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, 2018. Data refreshed Sep 9, 2026, 10:25 AM UTC.
| # | Player | Team | SV ext count | Type coverage | SV ext ft |
|---|---|---|---|---|---|
| 1 |  D. BetancesDellin Betances |  NYY | 197 | 99.9% | |
| 2 |  J. BerríosJosé Berríos |  MIN | 907 | 97.2% | |
| 3 |  M. StromanMarcus Stroman |  TOR | 513 | 100.0% |
- SV ext ft
- How far toward home plate the pitcher releases the ball, measured in feet from the pitching rubber. Only pitches with this measurement are included. Uses pitches recorded as slurve.
Understanding Slurve: Average Extension
How far toward home plate the pitcher releases the ball, measured in feet from the pitching rubber. Only pitches with this measurement are included. Uses pitches recorded as slurve.
Formula: Sum of recorded extensions ÷ pitches with extension 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, 10:25 AM UTC.