Player stats

Knuckle curve: Misses per Swing 2019

The percentage of swings that miss. Caught foul tips count as misses; ordinary fouls count as contact. N/A means no swings or an unclear pitch result. Uses pitches recorded as knuckle curve.

Season

At least 100 swings at this type of pitch 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, 2019. Data refreshed Sep 9, 2026, 10:19 AM UTC.

No. 1 / Knuckle curve: Misses per Swing / 2019

Shane Bieber

CLE

48.7%

Season leader

Knuckle curve: Misses per Swing2019 season
#	Player	Team	KC swings	Type coverage	KC whiff%
1	S. BieberShane Bieber	CLE	339	96.7%	48.7%
2	R. RayRobbie Ray	AZ	189	99.8%	45.5%
3	G. MárquezGermán Márquez	COL	337	100.0%	43.6%
4	M. BarnesMatt Barnes	BOS	303	100.0%	41.3%
5	J. FlahertyJack Flaherty	STL	116	100.0%	40.5%
6	J. KellyJoe Kelly	LAD	121	98.5%	40.5%
7	M. MelanconMark Melancon	ATL	149	100.0%	38.9%
8	D. SmylyDrew Smyly	PHI	258	100.0%	38.8%
9	A. DeSclafaniAnthony DeSclafani	CIN	153	97.0%	38.6%
10	T. DuffeyTyler Duffey	MIN	189	99.8%	38.1%
11	J. PaxtonJames Paxton	NYY	219	99.9%	37.4%
12	W. BuehlerWalker Buehler	LAD	162	99.8%	37.0%
13	A. NolaAaron Nola	PHI	583	100.0%	34.6%
14	J. JeffressJeremy Jeffress	MIL	106	98.1%	34.0%
15	Z. GodleyZack Godley	TOR	310	100.0%	33.5%
16	R. StriplingRoss Stripling	LAD	180	99.9%	33.3%
17	J. LópezJorge López	KC	295	100.0%	32.9%
18	Z. GallenZac Gallen	AZ	129	100.0%	32.6%
19	T. BauerTrevor Bauer	CIN	311	100.0%	32.2%
20	G. ColeGerrit Cole	HOU	182	99.9%	31.9%
21	M. MinorMike Minor	TEX	141	100.0%	31.9%
22	A. BradleyArchie Bradley	AZ	131	100.0%	30.5%
23	B. WorkmanBrandon Workman	BOS	232	100.0%	29.7%
24	V. VelasquezVince Velasquez	PHI	111	100.0%	28.8%
25	M. LeakeMike Leake	AZ	107	99.8%	27.1%
26	D. PomeranzDrew Pomeranz	MIL	238	99.3%	26.9%
27	N. PivettaNick Pivetta	PHI	263	99.9%	25.1%
28	J. VargasJason Vargas	PHI	167	100.0%	24.6%
29	T. CahillTrevor Cahill	LAA	146	96.2%	21.9%

KC whiff%: The percentage of swings that miss. Caught foul tips count as misses; ordinary fouls count as contact. N/A means no swings or an unclear pitch result. Uses pitches recorded as knuckle curve.

Understanding Knuckle curve: Misses per Swing

The percentage of swings that miss. Caught foul tips count as misses; ordinary fouls count as contact. N/A means no swings or an unclear pitch result. Uses pitches recorded as knuckle curve.

Formula: 100 × missed swings ÷ swings at this pitch type

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, 10:19 AM UTC.