Player stats

Knuckle curve: Pitches with Extension 2020

Number of pitches with a usable release extension measurement. This is the sample behind average extension. Uses pitches recorded as knuckle curve.

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.

No. 1 / Knuckle curve: Pitches with Extension / 2020

Lance McCullers Jr.

HOU

332

Season leader

Knuckle curve: Pitches with Extension2020 season
#	Player	Team	KC ext count
1	L. McCullers Jr.Lance McCullers Jr.	HOU	332
2	S. BieberShane Bieber	CLE	325
3	G. MárquezGermán Márquez	COL	311
4	A. NolaAaron Nola	PHI	306
5	D. HollandDerek Holland	PIT	268
6	K. FreelandKyle Freeland	COL	212
7	Z. GodleyZack Godley	BOS	211
8	G. ColeGerrit Cole	NYY	206
9	J. LópezJorge López	BAL	196
10	M. BarnesMatt Barnes	BOS	195
11	R. StriplingRoss Stripling	TOR	195
12	A. ScrubbAndre Scrubb	HOU	190
13	T. DuffeyTyler Duffey	MIN	188
14	T. BauerTrevor Bauer	CIN	183
15	Z. GallenZac Gallen	AZ	180
16	R. RayRobbie Ray	TOR	178
17	D. SmylyDrew Smyly	SF	176
18	B. WorkmanBrandon Workman	PHI	156
19	A. CobbAlex Cobb	BAL	134
20	C. KuhlChad Kuhl	PIT	131
21	A. GomberAustin Gomber	STL	128
22	M. MelanconMark Melancon	ATL	126
23	C. KimbrelCraig Kimbrel	CHC	113
24	J. KellyJoe Kelly	LAD	105
25	T. CahillTrevor Cahill	SF	105
26	V. VelasquezVince Velasquez	PHI	105
27	R. WickRowan Wick	CHC	104
28	D. CeaseDylan Cease	CWS	101
29	Y. DarvishYu Darvish	CHC	98
30	J. FlahertyJack Flaherty	STL	98
31	D. BetancesDellin Betances	NYM	97
32	W. BuehlerWalker Buehler	LAD	96
33	D. PhelpsDavid Phelps	PHI	95
34	J. MeansJohn Means	BAL	94
35	C. KnebelCorey Knebel	MIL	89
36	J. JeffressJeremy Jeffress	CHC	85
37	K. WrightKyle Wright	ATL	84
38	B. AndersonBrett Anderson	MIL	79
39	D. PomeranzDrew Pomeranz	SD	66
40	C. HernándezCarlos Hernández	KC	63
41	M. MinorMike Minor	OAK	63
42	A. BradleyArchie Bradley	CIN	62
43	J. PaxtonJames Paxton	NYY	57
44	A. DeSclafaniAnthony DeSclafani	CIN	56
45	C. MizeCasey Mize	DET	55
46	N. PivettaNick Pivetta	BOS	53
47	C. SchmidtClarke Schmidt	NYY	47
48	C. StammenCraig Stammen	SD	46
49	D. DunningDane Dunning	CWS	39
50	C. JavierCristian Javier	HOU	38

KC ext count: Number of pitches with a usable release extension measurement. This is the sample behind average extension. Uses pitches recorded as knuckle curve.

Understanding Knuckle curve: Pitches with Extension

Number of pitches with a usable release extension measurement. This is the sample behind average extension. Uses pitches recorded as knuckle curve.

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.