Nathan Eovaldi has the best K/BB this season, with 13.25 K/BB.

Interpreted as:

highest strikeout per walk with a minimum of 1 IP per team game by a player this regular season

	NAME	K/BB	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Nathan Eovaldi N. Eovaldi	13.25	2025	TEX	8	3	2	.600	8	2.03	53	1	1	0	48.2	35	11	13	3	4	4	0	0	186	3	9.80	0.74	0.55	28.5	2.2	0.80	.262	2.40	52	2.22	53	6.47	10.3
2	Tarik Skubal T. Skubal	9.60	2025	DET	7	3	2	.600	7	2.21	48	0	0	0	40.2	35	10	10	4	5	1	0	0	160	0	10.62	1.11	0.89	30.0	3.1	0.98	.304	2.21	57	2.46	61	7.75	7.2
3	Joe Ryan J. Ryan	9.40	2025	MIN	7	2	2	.500	7	2.93	47	0	0	0	40.0	31	13	13	6	5	5	0	0	158	0	10.58	1.13	1.35	29.7	3.2	0.90	.263	2.93	74	3.45	85	6.98	2.8
4	Hunter Greene H. Greene	7.63	2025	CIN	8	4	2	.667	8	2.36	61	0	0	0	45.2	29	12	12	7	8	2	0	0	176	2	12.02	1.58	1.38	34.7	4.5	0.81	.224	2.36	54	3.08	72	5.72	5.7
5	Zack Wheeler Z. Wheeler	7.33	2025	PHI	8	3	1	.750	8	3.35	66	0	0	0	51.0	39	19	19	8	9	2	0	0	198	0	11.65	1.59	1.41	33.3	4.5	0.94	.274	3.35	81	3.20	78	6.88	5
6	Matthew Liberatore M. Liberatore	6.33	2025	STL	7	3	3	.500	7	3.07	38	0	0	0	41.0	33	14	15	2	6	0	0	0	160	1	8.34	1.32	0.44	23.8	3.8	0.95	.272	3.29	76	2.32	59	7.24	7.4
7	Chris Bassitt C. Bassitt	6.13	2025	TOR	8	3	2	.600	8	3.35	49	0	0	0	45.2	48	17	18	6	8	2	0	0	196	2	9.66	1.58	1.18	25.0	4.1	1.23	.321	3.55	86	3.32	81	9.46	3.9
8	Bryan Woo B. Woo	5.50	2025	SEA	7	4	1	.800	7	3.25	44	0	0	0	44.1	33	16	16	4	8	1	0	0	174	0	8.93	1.62	0.81	25.3	4.6	0.92	.248	3.25	87	2.90	74	6.70	5.1
9	Nick Lodolo N. Lodolo	5.43	2025	CIN	8	3	3	.500	8	3.23	38	0	0	0	47.1	41	17	19	5	7	6	0	0	197	1	7.23	1.33	0.95	19.3	3.6	1.01	.255	3.61	74	3.69	87	7.80	2.9
10	JP Sears	5.33	2025	ATH	7	4	2	.667	7	2.93	32	0	0	0	40.0	34	13	13	4	6	2	0	0	161	0	7.20	1.35	0.90	19.9	3.7	1.00	.256	2.93	74	3.40	83	7.65	3
11	MacKenzie Gore M. Gore	5.23	2025	WSH	8	2	3	.400	8	3.33	68	0	0	0	46.0	40	17	17	6	13	1	0	0	187	2	13.30	2.54	1.17	36.4	7.0	1.15	.343	3.33	81	2.75	68	7.83	6.6
12	Chris Sale C. Sale	5.09	2025	ATL	8	1	3	.250	8	4.07	56	0	0	0	42.0	46	19	20	5	11	4	0	0	185	2	12.00	2.36	1.07	30.3	5.9	1.36	.376	4.29	97	3.05	78	9.86	4.1
13	Hunter Brown H. Brown	4.90	2025	HOU	7	5	1	.833	7	1.67	49	0	0	0	43.0	28	8	9	1	10	0	0	0	158	0	10.26	2.09	0.21	31.0	6.3	0.88	.276	1.88	43	1.82	45	5.86	10.7
14	Spencer Schwellenbach S. Schwellenbach	4.78	2025	ATL	8	1	3	.250	8	3.61	43	0	0	0	47.1	44	19	21	5	9	2	0	1	194	1	8.18	1.71	0.95	22.2	4.6	1.12	.289	3.99	86	3.36	85	8.37	3
15	Logan Webb L. Webb	4.31	2025	SFG	8	4	2	.667	8	2.61	56	0	0	0	48.1	45	14	15	1	13	0	0	0	195	1	10.43	2.42	0.19	28.7	6.7	1.20	.352	2.79	65	1.86	48	8.38	11
16	Kyle Freeland K. Freeland	4.29	2025	COL	8	0	5	.000	8	6.41	30	0	0	0	39.1	58	28	34	3	7	1	0	0	182	0	6.86	1.60	0.69	16.5	3.8	1.65	.390	7.78	137	3.18	75	13.27	4.4
17	Max Fried M. Fried	4.27	2025	NYY	8	6	0	1.000	8	1.05	47	0	0	0	51.2	36	6	11	3	11	4	0	0	208	2	8.19	1.92	0.52	22.6	5.3	0.91	.231	1.92	26	2.91	69	6.27	7.3
18	Sonny Gray S. Gray	4.27	2025	STL	8	4	1	.800	8	3.50	47	0	0	0	46.1	39	18	20	6	11	2	0	0	186	1	9.13	2.14	1.17	25.3	5.9	1.08	.275	3.88	86	3.60	92	7.58	1.7
19	Bailey Ober B. Ober	4.11	2025	MIN	8	4	1	.800	8	3.50	37	0	0	0	43.2	52	17	18	5	9	2	0	0	191	1	7.63	1.85	1.03	19.4	4.7	1.40	.341	3.71	89	3.65	89	10.72	2.1
20	Brandon Pfaadt B. Pfaadt	4.10	2025	AZ	8	6	2	.750	8	3.28	41	0	0	0	46.2	47	17	19	7	10	4	0	1	195	0	7.91	1.93	1.35	21.0	5.1	1.22	.301	3.66	78	4.19	108	9.06	-1.7
21	Jacob deGrom J. deGrom	4.00	2025	TEX	7	2	1	.667	7	2.61	36	0	0	0	38.0	29	11	11	5	9	1	0	0	149	1	8.53	2.13	1.18	24.2	6.0	1.00	.245	2.61	66	3.71	89	6.87	1.9
22	Jesús Luzardo J. Luzardo	3.92	2025	PHI	8	3	0	1.000	8	2.11	51	0	0	0	47.0	44	11	14	2	13	0	0	0	192	1	9.77	2.49	0.38	26.6	6.8	1.21	.333	2.68	51	2.31	57	8.43	9.1
23	Paul Skenes P. Skenes	3.92	2025	PIT	8	3	4	.429	8	2.77	47	0	0	0	48.2	34	15	17	4	12	1	0	0	190	1	8.69	2.22	0.74	24.7	6.3	0.95	.238	3.14	66	3.04	76	6.29	5.2
24	Casey Mize C. Mize	3.89	2025	DET	7	6	1	.857	7	2.53	35	0	0	0	42.2	34	12	12	6	9	0	0	0	167	1	7.38	1.90	1.27	21.0	5.4	1.01	.239	2.53	65	3.92	97	7.17	0.5
25	Jameson Taillon J. Taillon	3.88	2025	CHC	7	2	1	.667	7	3.86	31	0	0	0	39.2	33	17	17	6	8	0	0	0	159	0	7.03	1.82	1.36	19.5	5.0	1.03	.237	3.86	96	4.11	105	7.49	-0.8