Player stats

Quality Start Percentage 2026

The percentage of a pitcher's starts that qualify as quality starts. Read this alongside the number of starts.

Season

Minimum workload: one inning pitched per game. Completed seasons use the league's scheduled regular-season game count; seasons in progress use team games played. This is a general pitching minimum, not a relief-pitcher qualification rule. Data through September 27, 2026. Data refreshed Oct 11, 2026, 6:14 PM UTC.

No. 1 / Quality Start Percentage / 2026

Yoshinobu Yamamoto

LAD

78.6%

Season leader

Quality Start Percentage2026 season
#	Player	Team	IP	BF	GS	QS%
1	Y. YamamotoYoshinobu Yamamoto	LAD	185.0	708	28	78.6%
2	C. SaleChris Sale	ATL	162.2	648	27	70.4%
3	S. GraySonny Gray	BOS	169.0	683	29	69.0%
4	C. SánchezCristopher Sánchez	PHI	207.0	857	33	66.7%
5	M. WachaMichael Wacha	KC	200.2	812	32	65.6%
6	N. McLeanNolan McLean	NYM	179.2	747	31	64.5%
7	S. AlcantaraSandy Alcantara	MIA	214.0	894	33	63.6%
8	Z. WheelerZack Wheeler	PHI	162.0	645	28	60.7%
9	C. SchlittlerCam Schlittler	NYY	193.2	761	33	60.6%
10	J. MisiorowskiJacob Misiorowski	MIL	174.2	665	30	60.0%
11	D. RasmussenDrew Rasmussen	TB	172.0	669	30	60.0%
12	E. RodriguezEduardo Rodriguez	AZ	189.2	788	32	59.4%
13	J. LuzardoJesús Luzardo	PHI	179.2	730	29	58.6%
14	T. BibeeTanner Bibee	CLE	188.0	780	33	57.6%
15	C. CavalliCade Cavalli	WSH	169.2	706	32	56.3%
16	M. KingMichael King	SD	185.0	757	32	56.3%
17	B. WooBryan Woo	SEA	173.0	710	30	53.3%
18	D. CeaseDylan Cease	TOR	169.0	685	29	51.7%
19	F. ValdezFramber Valdez	DET	174.0	758	31	51.6%
20	M. McGreevyMichael McGreevy	STL	168.2	702	31	51.6%
21	N. MartinezNick Martinez	TB	180.0	722	31	51.6%
22	T. RogersTrevor Rogers	BAL	169.2	699	30	50.0%
23	G. KirbyGeorge Kirby	SEA	174.2	741	30	50.0%
24	R. DetmersReid Detmers	LAA	185.0	740	32	50.0%
25	T. BradleyTaj Bradley	MIN	178.1	748	31	48.4%
26	F. GriffinFoster Griffin	CLE	172.2	721	31	48.4%
27	B. AshcraftBraxton Ashcraft	PIT	165.1	667	28	46.4%
28	L. GilbertLogan Gilbert	SEA	186.0	750	32	43.8%
29	S. LugoSeth Lugo	KC	172.1	751	32	43.8%
30	S. ImanagaShota Imanaga	CHC	174.1	706	32	43.8%
31	P. MessickParker Messick	CLE	186.1	747	32	43.8%
32	K. GausmanKevin Gausman	CHC	177.2	750	32	43.8%
33	S. BazShane Baz	BAL	179.2	769	31	41.9%
34	S. BurkeSean Burke	CWS	172.1	716	27	40.7%
35	P. SkenesPaul Skenes	PIT	174.1	712	32	40.6%
36	R. RayRobbie Ray	SD	165.2	702	30	40.0%
37	J. deGromJacob deGrom	TEX	162.2	668	31	38.7%
38	A. AbbottAndrew Abbott	CIN	166.0	729	32	37.5%
39	G. WilliamsGavin Williams	CLE	184.1	746	32	37.5%
40	N. CameronNoah Cameron	KC	177.1	746	30	36.7%
41	A. NolaAaron Nola	PHI	175.1	744	33	36.4%
42	A. PallanteAndre Pallante	STL	162.0	679	29	34.5%
43	J. SorianoJosé Soriano	TOR	177.1	745	32	34.4%
44	M. KellyMerrill Kelly	AZ	162.0	704	29	31.0%
45	M. GoreMacKenzie Gore	TEX	173.0	750	34	26.5%
46	F. PeraltaFreddy Peralta	TB	169.0	730	32	25.0%

QS%: The percentage of a pitcher's starts that qualify as quality starts. Read this alongside the number of starts.

Understanding Quality Start Percentage

The percentage of a pitcher's starts that qualify as quality starts. Read this alongside the number of starts.

Formula: 100 × QS ÷ GS

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 Oct 11, 2026, 6:14 PM UTC.