Since 2020, Jacob deGrom has the best K/BB, with 7.54 K/BB.

Interpreted as:

best k / bb with a minimum of 0.5 IP per team game by a player since 2020

	NAME	K/BB	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	Jacob deGrom J. deGrom	7.54	77	30	16	.652	77	2.45	596	1	1	0	438.0	279	119	127	51	79	5	0	0	1,659	8	12.25	1.62	1.05	35.9	4.8	0.82	.246	2.61	60	2.52	60	5.73	82.9
2	George Kirby G. Kirby	6.68	112	44	34	.564	112	3.58	621	1	0	0	637.2	616	254	270	72	93	25	0	1	2,601	13	8.76	1.31	1.02	23.9	3.6	1.11	.304	3.81	93	3.25	82	8.69	52.6
3	Spencer Schwellenbach S. Schwellenbach	5.73	38	15	11	.577	38	3.23	235	1	0	0	234.1	195	84	93	27	41	8	0	2	934	5	9.03	1.57	1.04	25.2	4.4	1.01	.270	3.57	77	3.26	81	7.49	19.6
4	Zach Eflin Z. Eflin	5.64	122	43	36	.544	114	4.00	604	1	1	1	654.2	658	291	306	90	107	17	2	4	2,696	6	8.30	1.47	1.24	22.4	4.0	1.17	.302	4.21	98	3.69	89	9.05	33.8
5	Masahiro Tanaka M. Tanaka	5.50	10	3	3	.500	10	3.56	44	0	0	0	48.0	48	19	25	9	8	2	0	0	197	0	8.25	1.50	1.69	22.3	4.1	1.17	.291	4.69	81	4.41	98	9.00	0.4
6	Shota Imanaga S. Imanaga	5.39	54	24	11	.686	54	3.28	291	0	0	0	318.0	266	116	128	58	54	4	0	0	1,261	4	8.24	1.53	1.64	23.1	4.3	1.01	.244	3.62	81	4.23	105	7.53	-8.3
7	Paul Skenes P. Skenes	5.22	55	21	13	.618	55	1.96	386	1	0	0	320.2	230	70	76	21	74	12	0	0	1,247	4	10.83	2.08	0.59	31.0	5.9	0.95	.277	2.13	46	2.39	58	6.46	61
8	Tarik Skubal T. Skubal	5.17	137	54	37	.593	134	3.08	889	1	1	0	766.2	614	262	287	90	172	26	1	0	3,056	11	10.44	2.02	1.06	29.1	5.6	1.03	.279	3.37	75	3.14	76	7.21	84
9	Chris Sale C. Sale	5.06	81	36	15	.706	80	2.95	572	0	0	0	454.1	380	149	160	41	113	32	0	1	1,845	10	11.33	2.24	0.81	31.0	6.1	1.09	.312	3.17	68	2.78	67	7.53	67.7
10	Zack Wheeler Z. Wheeler	4.97	157	69	37	.651	157	2.91	1,094	4	2	0	979.0	775	316	342	91	220	47	0	4	3,903	18	10.06	2.02	0.84	28.0	5.6	1.02	.279	3.14	69	2.96	69	7.12	140.9
11	Max Scherzer M. Scherzer	4.95	118	50	28	.641	118	3.29	797	2	0	0	673.0	550	246	256	100	161	29	0	1	2,709	15	10.66	2.15	1.34	29.4	5.9	1.06	.277	3.42	80	3.58	84	7.36	48.3
12	Gerrit Cole G. Cole	4.95	125	59	28	.678	125	3.12	915	6	4	0	759.0	593	263	279	102	185	19	0	2	3,018	13	10.85	2.19	1.21	30.3	6.1	1.03	.273	3.31	76	3.32	78	7.03	78.4
13	Brandon Woodruff B. Woodruff	4.92	93	37	22	.627	93	2.81	649	2	1	0	538.0	392	168	179	63	132	22	0	0	2,131	6	10.86	2.21	1.05	30.5	6.2	0.97	.260	2.99	67	3.12	74	6.56	66.1
14	Aaron Nola A. Nola	4.91	158	56	54	.509	158	4.11	1,050	6	4	0	944.1	853	431	455	134	214	28	0	4	3,862	8	10.01	2.04	1.28	27.2	5.5	1.13	.295	4.34	97	3.56	83	8.13	73.5
15	Bryan Woo B. Woo	4.90	70	26	15	.634	70	3.21	392	0	0	0	395.2	308	141	149	53	80	14	0	1	1,574	4	8.92	1.82	1.21	24.9	5.1	0.98	.246	3.39	83	3.64	91	7.01	16.1
16	Logan Gilbert L. Gilbert	4.88	146	46	36	.561	146	3.58	884	2	1	0	835.1	703	332	352	111	181	25	0	6	3,377	41	9.52	1.95	1.20	26.2	5.4	1.06	.272	3.79	92	3.51	88	7.57	44.3
17	Joe Ryan J. Ryan	4.86	115	46	36	.561	114	3.79	719	1	1	0	641.1	534	270	283	101	148	33	0	0	2,603	8	10.09	2.08	1.42	27.6	5.7	1.06	.270	3.97	93	3.81	93	7.49	21.8
18	Shane Bieber S. Bieber	4.68	89	40	21	.656	89	2.95	618	2	0	0	554.1	470	182	193	58	132	11	0	0	2,230	23	10.03	2.14	0.94	27.7	5.9	1.09	.292	3.13	73	3.07	75	7.63	64.9
19	Garrett Crochet G. Crochet	4.61	136	27	24	.529	64	2.95	549	1	1	0	424.1	345	139	151	45	119	11	18	2	1,725	15	11.64	2.52	0.95	31.8	6.9	1.09	.300	3.20	70	2.86	67	7.32	64.7
20	Bailey Ober B. Ober	4.54	115	31	30	.508	115	4.08	604	2	0	0	617.2	560	280	290	103	133	21	0	0	2,516	4	8.80	1.94	1.50	24.0	5.3	1.12	.276	4.23	99	4.13	99	8.16	1.9
21	Nathan Eovaldi N. Eovaldi	4.52	137	56	30	.651	137	3.42	777	5	3	0	784.2	702	298	317	92	172	32	0	3	3,192	21	8.91	1.97	1.06	24.3	5.4	1.11	.288	3.64	80	3.49	83	8.05	65.3
22	Trevor Bauer T. Bauer	4.39	28	13	9	.591	28	2.24	237	3	2	0	180.2	112	45	53	28	54	6	0	2	710	6	11.81	2.69	1.39	33.4	7.6	0.92	.218	2.64	53	3.56	81	5.58	17.2
23	Yu Darvish Y. Darvish	4.34	127	52	40	.565	127	3.76	776	0	0	0	727.0	610	304	313	99	179	39	0	2	2,950	23	9.61	2.22	1.23	26.3	6.1	1.09	.275	3.87	94	3.70	89	7.55	36.3
24	Clayton Kershaw C. Kershaw	4.32	108	54	22	.711	107	2.90	588	0	0	0	580.2	478	187	209	62	136	13	0	1	2,321	20	9.11	2.11	0.96	25.3	5.9	1.06	.273	3.24	70	3.30	77	7.41	61.9
25	Julio Urías J. Urías	4.32	95	51	18	.739	94	3.09	523	0	0	0	533.0	435	183	199	71	121	18	0	3	2,140	6	8.83	2.04	1.20	24.4	5.7	1.04	.259	3.36	75	3.72	87	7.35	31.8