which player has the worst career ops in september with at least 500 at bats since 2000

Since 2000, John McDonald has the worst OPS with 500+ at-bats in the month of September, with an OPS of .537.

	NAME	OPS	AB	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG
1	John McDonald J. McDonald	.537	528	215	55	112	21	1	5	44	22	8	87	3	3	576	150	27	14	4	0	10	.212	.253	.284
2	Corey Patterson C. Patterson	.602	518	183	67	107	23	4	16	46	22	5	143	17	9	560	186	43	9	6	1	7	.207	.243	.359
3	Martín Maldonado M. Maldonado	.610	561	203	56	110	16	0	21	54	55	5	168	0	0	630	189	37	7	2	3	13	.196	.273	.337
4	Manuel Margot M. Margot	.621	567	178	51	134	28	8	3	49	42	3	115	21	13	616	187	39	1	3	1	12	.236	.291	.330
5	Jason Varitek J. Varitek	.623	657	204	65	133	25	1	17	66	84	10	186	4	2	753	211	43	0	2	8	18	.202	.301	.321
6	Brandon Inge B. Inge	.625	854	263	81	187	38	4	21	103	62	11	208	12	4	947	296	63	14	6	3	20	.219	.279	.347
7	Reed Johnson R. Johnson	.626	601	222	77	148	29	2	6	51	29	15	135	3	4	655	199	37	5	5	4	14	.246	.295	.331
8	Brad Ausmus B. Ausmus	.628	571	195	54	137	21	1	5	52	66	4	87	7	3	650	175	27	6	3	11	13	.240	.321	.306
9	Jason Bartlett J. Bartlett	.628	591	171	77	142	24	3	5	44	52	12	91	17	8	662	187	32	1	6	0	14	.240	.312	.316
10	Omar Vizquel O. Vizquel	.630	821	236	99	197	29	5	6	76	92	8	93	18	11	942	254	40	17	4	4	15	.240	.321	.309
11	Jerry Hairston J. Hairston	.631	579	198	79	126	33	2	9	49	57	14	82	13	8	660	190	44	10	0	0	16	.218	.303	.328
12	Clint Barmes C. Barmes	.642	638	220	71	151	28	1	15	65	37	10	129	8	3	697	226	44	9	3	5	11	.237	.288	.354
13	Darin Erstad D. Erstad	.642	606	183	87	141	27	2	13	55	55	0	116	10	5	672	211	42	5	6	7	7	.233	.294	.348
14	Pedro Feliz P. Feliz	.647	649	218	71	149	32	7	18	92	30	2	107	2	3	690	249	57	3	6	2	17	.230	.263	.384
15	Jonathan Schoop J. Schoop	.647	704	200	86	158	30	3	25	76	32	9	170	2	0	751	269	58	1	5	1	20	.224	.265	.382
16	Cesar Izturis C. Izturis	.648	568	181	65	155	20	6	2	45	28	3	60	16	4	610	193	28	6	5	1	6	.273	.308	.340
17	Orlando Arcia O. Arcia	.648	614	196	64	144	39	1	13	68	41	3	136	9	4	666	224	53	2	6	3	15	.235	.283	.365
18	Ben Revere B. Revere	.648	509	148	61	143	14	4	2	44	20	4	51	35	7	538	171	20	3	2	0	10	.281	.312	.336
19	Max Kepler M. Kepler	.649	515	155	71	113	22	2	13	55	59	4	119	5	2	581	178	37	0	3	2	3	.219	.303	.346
20	Mitch Moreland M. Moreland	.650	713	222	73	151	45	0	22	87	65	8	183	0	0	794	262	67	1	7	5	14	.212	.282	.367
21	Rod Barajas R. Barajas	.651	503	181	54	112	24	0	17	77	38	3	101	0	0	549	187	41	2	3	6	9	.223	.280	.372
22	Geoff Blum G. Blum	.652	708	229	67	166	34	5	16	82	50	7	114	1	4	778	258	55	3	10	1	17	.234	.288	.364
23	Jon Jay J. Jay	.656	729	222	102	196	27	5	2	49	41	26	138	12	12	816	239	34	15	5	0	13	.269	.328	.328
24	Andrelton Simmons A. Simmons	.657	795	222	76	204	36	6	11	83	45	4	90	12	6	847	285	53	0	3	0	32	.257	.299	.358
25	Paul DeJong P. DeJong	.657	534	171	59	117	24	0	19	65	45	9	168	5	1	597	198	43	0	9	1	8	.219	.286	.371