what is the largest difference in batting average and obp for a player

Ryne Nelson and José Fermín are tied for the highest batting average with an on-base percentage above .000 this season, with an average of 1.000.

Interpreted as:

What is the largest difference in batting average and obp for a player this regular season?

	NAME	AVG	OBP	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Ryne Nelson R. Nelson	1.000	1.000	2025	AZ	1	1	1	1	0	0	0	1	0	0	0	0	0	1	1	0	0	0	0	0	1.000	2.000	1	0.5	.888	488	0.5
2	José Fermín J. Fermín	1.000	1.000	2025	STL	1	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	2.000	1	0.5	.888	491	0.5
3	Richie Palacios R. Palacios	.750	.750	2025	TBR	1	4	1	3	1	0	0	0	0	0	0	1	0	4	4	1	0	0	0	0	1.000	1.750	2	1.4	.760	416	1.5
4	Brewer Hicklen B. Hicklen	.667	.750	2025	DET	1	3	2	2	0	0	0	0	1	0	1	1	0	4	2	0	0	0	0	0	.667	1.417	1	1	.617	314	1
5	James McCann J. McCann	.500	.625	2025	AZ	2	6	2	3	1	0	0	1	1	1	0	0	0	8	4	1	0	0	0	1	.667	1.292	2	1.6	.557	263	1.5
6	Trey Lipscomb T. Lipscomb	.500	.500	2025	WSH	3	4	1	2	0	0	0	0	0	0	1	0	0	4	2	0	0	0	0	0	.500	1.000	1	0.4	.444	188	0.4
7	Jonny DeLuca J. DeLuca	.435	.480	2025	TBR	9	23	4	10	0	1	0	1	2	0	4	4	0	25	12	1	0	0	0	0	.522	1.002	5	2.5	.439	193	2.7
8	Rob Brantly R. Brantly	.429	.429	2025	MIA	3	7	0	3	0	0	0	1	0	0	1	0	0	7	3	0	0	0	0	0	.429	.857	1	0.4	.380	142	0.3
9	Bryce Johnson B. Johnson	.417	.500	2025	SDP	9	12	1	5	1	0	0	1	1	1	3	1	0	14	6	1	0	0	0	0	.500	1.000	3	1.5	.445	192	1.5
10	Hyeseong Kim H. Kim	.383	.425	2025	LAD	36	81	16	31	5	1	2	12	5	1	18	7	0	87	44	8	0	0	0	0	.543	.968	18	7.5	.421	174	7.5
11	Tyler Heineman T. Heineman	.377	.408	2025	TOR	28	69	17	26	5	0	2	11	3	2	12	2	0	77	37	7	1	2	0	1	.536	.944	15	5.7	.406	166	5.9
12	Luke Maile L. Maile	.375	.500	2025	KCR	3	8	2	3	0	0	1	1	2	0	1	0	0	10	6	1	0	0	0	0	.750	1.250	3	1.7	.523	242	1.6
13	Nate Eaton N. Eaton	.375	.400	2025	BOS	7	8	1	3	0	0	0	1	1	0	3	1	0	10	3	0	0	1	0	0	.375	.775	1	0.2	.336	110	0.1
14	Luke Keaschall L. Keaschall	.368	.538	2025	MIN	7	19	4	7	3	0	0	2	5	2	2	5	0	26	10	3	0	0	0	0	.526	1.065	6	3.3	.472	211	3.3
15	Ronald Acuña Jr. R. Acuña Jr.	.365	.486	2025	ATL	33	115	32	42	5	0	9	18	27	0	35	4	0	142	74	14	0	0	2	1	.643	1.129	35	18.8	.479	210	18.4
16	Jahmai Jones J. Jones	.355	.429	2025	DET	18	31	4	11	5	0	2	5	4	0	7	0	0	35	22	7	0	0	0	1	.710	1.138	9	4.6	.479	217	4.7
17	Aaron Judge A. Judge	.354	.456	2025	NYY	82	305	70	108	19	2	28	63	55	3	93	6	3	364	215	49	0	1	18	9	.705	1.161	90	47.6	.477	215	48.1
18	Heriberto Hernández H. Hernández	.345	.373	2025	MIA	19	55	9	19	4	0	2	9	3	0	16	0	0	59	29	6	0	1	0	0	.527	.900	10	3.4	.386	146	3.2
19	Tomás Nido T. Nido	.343	.361	2025	DET	10	35	4	12	0	0	0	2	0	1	10	0	0	37	12	0	1	0	0	1	.343	.704	4	0.1	.316	104	0.2
20	Jacob Wilson J. Wilson	.340	.382	2025	ATH	79	312	42	106	15	0	9	40	19	3	25	5	1	336	148	24	1	1	1	14	.474	.856	55	16.2	.374	143	16.7
21	Billy Cook B. Cook	.333	.333	2025	PIT	3	6	1	2	0	0	0	0	0	0	1	0	0	6	2	0	0	0	0	0	.333	.667	1	-0.1	.296	84	-0.1
22	Jonathan Aranda J. Aranda	.330	.411	2025	TBR	78	264	43	87	16	0	10	44	31	7	71	0	1	304	133	26	0	2	1	6	.504	.915	56	20.7	.399	165	22.5
23	Jeremy Peña J. Peña	.322	.378	2025	HOU	82	317	48	102	18	1	11	40	20	10	55	15	2	350	155	30	1	2	1	6	.489	.867	58	17.8	.378	147	18.7
24	Iván Herrera I. Herrera	.320	.392	2025	STL	42	150	22	48	8	0	8	36	16	3	32	1	0	171	80	16	0	2	0	7	.533	.925	32	11.7	.399	159	11.8
25	Will Smith W. Smith	.319	.415	2025	LAD	65	216	39	69	15	1	9	42	37	2	48	2	3	260	113	25	0	5	0	4	.523	.939	49	18.9	.405	163	19.2