highest k/9 by a yankees player since september 1, 2005, with at least 500 ip

Since September 1, 2005, Gerrit Cole has the highest K/9 for the Yankees when pitching at least 500 innings, with 10.85 per nine innings.

	NAME	K/9	IP	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Gerrit Cole G. Cole	10.85	759.0	125	59	28	.678	125	3.12	915	6	4	0	593	263	279	102	185	19	0	2	3,018	13	2.19	4.95	1.21	30.3	6.1	1.03	.273	3.31	7.03
2	Luis Severino L. Severino	9.75	727.1	141	54	37	.593	125	3.79	788	1	1	0	647	306	330	97	215	27	4	2	3,022	21	2.66	3.67	1.20	26.1	7.1	1.19	.290	4.08	8.01
3	Domingo Germán D. Germán	9.36	522.1	112	31	28	.525	89	4.41	543	1	1	0	454	256	274	94	161	22	8	0	2,183	20	2.77	3.37	1.62	24.9	7.4	1.18	.264	4.72	7.82
4	Nestor Cortes N. Cortes	9.13	555.2	126	33	20	.623	85	3.61	564	1	1	0	479	223	230	81	150	12	11	1	2,263	6	2.43	3.76	1.31	24.9	6.6	1.13	.273	3.73	7.76
5	Michael Pineda M. Pineda	9.09	509.0	89	31	31	.500	89	4.16	514	1	0	0	519	235	254	73	102	11	0	1	2,124	19	1.80	5.04	1.29	24.2	4.8	1.22	.313	4.49	9.18
6	Jordan Montgomery J. Montgomery	8.56	502.2	98	22	20	.524	97	3.94	478	0	0	0	473	220	234	66	146	12	0	0	2,107	25	2.61	3.27	1.18	22.7	6.9	1.23	.290	4.19	8.47
7	Masahiro Tanaka M. Tanaka	8.46	1054.1	174	78	46	.629	173	3.74	991	7	4	0	983	438	476	159	208	26	0	1	4,299	32	1.78	4.76	1.36	23.1	4.8	1.13	.283	4.06	8.39
8	CC Sabathia	7.98	1918.0	307	134	88	.604	306	3.81	1,700	12	2	0	1,863	811	892	232	576	73	0	29	8,093	43	2.70	2.95	1.09	21.0	7.1	1.27	.296	4.19	8.74
9	A.J. Burnett	7.91	584.0	99	34	35	.493	98	4.79	513	2	0	0	587	311	332	81	258	38	0	4	2,562	58	3.98	1.99	1.25	20.0	10.1	1.45	.303	5.12	9.05
10	Phil Hughes P. Hughes	7.56	780.2	182	56	50	.528	132	4.53	656	2	1	3	787	393	419	112	245	23	7	8	3,335	31	2.82	2.68	1.29	19.7	7.3	1.32	.294	4.83	9.07
11	Mike Mussina M. Mussina	6.78	557.1	96	47	26	.644	95	3.94	420	1	0	0	597	244	269	53	102	18	0	6	2,316	8	1.65	4.12	0.86	18.1	4.4	1.25	.316	4.34	9.64
12	Hiroki Kuroda H. Kuroda	6.72	620.0	97	38	33	.535	97	3.44	463	4	3	0	587	237	256	65	129	20	0	4	2,535	32	1.87	3.59	0.94	18.3	5.1	1.15	.281	3.72	8.52
13	Ivan Nova I. Nova	6.70	729.0	131	53	39	.576	118	4.41	543	3	2	1	774	357	372	92	238	46	9	12	3,153	35	2.94	2.28	1.14	17.2	7.5	1.39	.305	4.59	9.56
14	Andy Pettitte A. Pettitte	6.68	1003.2	164	70	49	.588	162	3.93	745	1	0	0	1,050	438	482	93	310	19	0	10	4,254	21	2.78	2.40	0.83	17.5	7.3	1.36	.310	4.32	9.42
15	Chien-Ming Wang C. Wang	4.28	587.1	96	49	23	.681	92	4.20	279	4	1	1	622	274	284	34	175	15	3	8	2,469	20	2.68	1.59	0.52	11.3	7.1	1.36	.299	4.35	9.53