Nathan Eovaldi has the highest K/BB this season, with 12.00 K/BB.

Interpreted as:

K/BB with a minimum of 1 IP per team game leaders 2025

	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	12.00	2025	TEX	4	1	2	.333	4	2.55	24	1	1	0	24.2	16	7	8	2	2	4	0	0	95	1	8.76	0.73	0.73	25.3	2.1	0.73	.222	2.92	65	2.87	71	5.84	3.2
2	Joe Ryan J. Ryan	11.50	2025	MIN	4	1	1	.500	4	2.45	23	0	0	0	22.0	15	6	6	2	2	4	0	0	84	0	9.41	0.82	0.82	27.4	2.4	0.77	.245	2.45	63	2.94	74	6.14	2.5
3	Paul Skenes P. Skenes	8.67	2025	PIT	4	2	1	.667	4	2.96	26	0	0	0	24.1	15	8	10	0	3	1	0	0	93	1	9.62	1.11	0.00	28.0	3.2	0.74	.238	3.70	72	1.39	35	5.55	6.9
4	Kyle Freeland K. Freeland	8.50	2025	COL	4	0	3	.000	4	4.88	17	0	0	0	24.0	27	13	13	1	2	1	0	0	100	0	6.38	0.75	0.38	17.0	2.0	1.21	.329	4.88	107	2.53	61	10.13	4.2
5	Logan Gilbert L. Gilbert	8.00	2025	SEA	4	1	1	.500	4	2.38	32	0	0	0	22.2	11	6	6	3	4	0	0	0	84	2	12.71	1.59	1.19	38.1	4.8	0.66	.178	2.38	65	2.46	64	4.37	3.5
6	Hunter Greene H. Greene	7.75	2025	CIN	4	2	1	.667	4	0.98	31	0	0	0	27.2	12	3	3	1	4	0	0	0	99	2	10.08	1.30	0.33	31.3	4.0	0.58	.175	0.98	23	1.70	41	3.90	7.3
7	Sonny Gray S. Gray	7.67	2025	STL	4	3	0	1.000	4	3.13	23	0	0	0	23.0	15	8	8	4	3	2	0	0	85	0	9.00	1.17	1.57	27.1	3.5	0.78	.208	3.13	79	3.95	102	5.87	-0.2
8	Nick Lodolo N. Lodolo	7.00	2025	CIN	4	2	1	.667	4	2.31	14	0	0	0	23.1	17	6	7	3	2	2	0	0	92	0	5.40	0.77	1.16	15.2	2.2	0.81	.197	2.70	54	4.02	96	6.56	0.5
9	Zack Wheeler Z. Wheeler	6.83	2025	PHI	5	2	1	.667	5	3.73	41	0	0	0	31.1	25	13	13	5	6	1	0	0	122	0	11.78	1.72	1.44	33.6	4.9	0.99	.290	3.73	93	3.16	78	7.18	3
10	Kevin Gausman K. Gausman	6.67	2025	TOR	4	2	1	.667	4	2.49	20	0	0	0	25.1	15	7	8	4	3	0	0	0	91	0	7.11	1.07	1.42	22.0	3.3	0.71	.172	2.84	64	3.86	97	5.33	0.3
11	Tarik Skubal T. Skubal	6.25	2025	DET	4	2	2	.500	4	2.66	25	0	0	0	23.2	20	7	7	3	4	0	0	0	94	0	9.51	1.52	1.14	26.6	4.3	1.01	.274	2.66	69	3.08	78	7.61	2.3
12	Chris Bassitt C. Bassitt	6.20	2025	TOR	4	2	0	1.000	4	0.77	31	0	0	0	23.1	20	2	2	0	5	0	0	0	93	2	11.96	1.93	0.00	33.3	5.4	1.07	.351	0.77	20	1.02	26	7.71	7.7
13	Chris Sale C. Sale	6.00	2025	ATL	4	0	2	.000	4	6.63	24	0	0	0	19.0	25	14	15	3	4	3	0	0	88	1	11.37	1.89	1.42	27.3	4.5	1.53	.407	7.11	163	3.67	95	11.84	0.4
14	Cole Ragans C. Ragans	6.00	2025	KCR	5	1	1	.500	5	3.58	42	0	0	0	27.2	24	11	12	2	7	1	0	0	114	1	13.66	2.28	0.65	36.8	6.1	1.12	.355	3.90	87	1.80	45	7.81	6.7
15	Max Fried M. Fried	5.60	2025	NYY	4	3	0	1.000	4	1.88	28	0	0	0	24.0	23	5	9	2	5	2	0	0	105	0	10.50	1.88	0.75	26.7	4.8	1.17	.309	3.38	48	2.66	65	8.63	3.7
16	Logan Webb L. Webb	5.43	2025	SFG	5	2	1	.667	5	2.40	38	0	0	0	30.0	24	8	9	1	7	0	0	0	116	1	11.40	2.10	0.30	32.8	6.0	1.03	.329	2.70	62	1.63	43	7.20	7.4
17	Yoshinobu Yamamoto Y. Yamamoto	5.43	2025	LAD	5	3	1	.750	5	0.93	38	0	0	0	29.0	18	3	4	2	7	0	0	0	108	1	11.79	2.17	0.62	35.2	6.5	0.86	.262	1.24	24	2.03	50	5.59	6.3
18	MacKenzie Gore M. Gore	5.33	2025	WSH	4	1	2	.333	4	3.52	32	0	0	0	23.0	23	9	9	2	6	1	0	0	95	1	12.52	2.35	0.78	33.7	6.3	1.26	.389	3.52	88	2.29	57	9.00	4.3
19	Cristopher Sánchez C. Sánchez	5.17	2025	PHI	4	2	0	1.000	4	2.96	31	0	0	0	24.1	22	8	9	4	6	2	0	0	101	1	11.47	2.22	1.48	30.7	5.9	1.15	.310	3.33	74	3.61	90	8.14	1.1
20	Eduardo Rodriguez E. Rodriguez	4.83	2025	AZ	4	1	2	.333	4	4.09	29	0	0	0	22.0	24	10	13	2	6	0	0	0	96	2	11.86	2.45	0.82	30.2	6.3	1.36	.373	5.32	101	2.40	63	9.82	3.6
21	Nick Pivetta N. Pivetta	4.80	2025	SDP	4	3	1	.750	4	1.57	24	0	0	0	23.0	14	4	4	1	5	0	0	0	86	0	9.39	1.96	0.39	27.9	5.8	0.83	.232	1.57	41	2.16	55	5.48	4.5
22	Drew Rasmussen D. Rasmussen	4.40	2025	TBR	4	1	1	.500	4	0.87	22	0	0	0	20.2	12	2	2	0	5	0	0	0	76	0	9.58	2.18	0.00	28.9	6.6	0.82	.245	0.87	23	1.63	42	5.23	5.2
23	Spencer Schwellenbach S. Schwellenbach	4.40	2025	ATL	4	1	1	.500	4	2.55	22	0	0	0	24.2	16	7	7	3	5	1	0	1	94	1	8.03	1.82	1.09	23.4	5.3	0.85	.206	2.55	63	3.56	92	5.84	0.8
24	Hunter Brown H. Brown	4.40	2025	HOU	4	2	1	.667	4	1.50	22	0	0	0	24.0	15	4	5	1	5	0	0	0	87	0	8.25	1.88	0.38	25.3	5.7	0.83	.237	1.88	39	2.37	60	5.63	4.2
25	Justin Steele J. Steele	4.20	2025	CHC	4	3	1	.750	4	4.76	21	0	0	0	22.2	21	12	12	5	5	1	0	0	92	0	8.34	1.99	1.99	22.8	5.4	1.15	.267	4.76	122	4.84	125	8.34	-2.5