Since 2020, George Kirby has the best K/BB, with 6.75 K/BB.

Interpreted as:

highest so/bb with a minimum of 0.5 IP per team game by a pitcher 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	George Kirby G. Kirby	6.75	103	41	31	.569	103	3.51	567	1	0	0	589.2	563	230	245	66	84	22	0	1	2,396	12	8.65	1.28	1.01	23.7	3.5	1.10	.300	3.74	91	3.24	82	8.59	48.6
2	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	3.25	81	7.49	19.4
3	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	3.68	89	9.05	33.9
4	Shota Imanaga S. Imanaga	5.62	46	23	8	.742	46	3.01	253	0	0	0	269.1	225	90	101	44	45	4	0	0	1,071	3	8.45	1.50	1.47	23.6	4.2	1.00	.250	3.38	75	3.93	99	7.52	1.5
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	Tarik Skubal T. Skubal	5.22	129	52	34	.605	126	3.16	835	1	1	0	716.2	577	252	270	84	160	25	1	0	2,861	10	10.49	2.01	1.05	29.2	5.6	1.03	.281	3.39	77	3.12	75	7.25	79.6
7	Max Scherzer M. Scherzer	5.13	110	47	25	.653	110	3.10	764	2	0	0	635.0	504	219	229	91	149	29	0	1	2,540	14	10.83	2.11	1.29	30.1	5.9	1.03	.274	3.25	75	3.47	82	7.14	53.6
8	Paul Skenes P. Skenes	5.03	47	18	11	.621	47	1.95	332	1	0	0	277.0	194	60	65	17	66	12	0	0	1,075	4	10.79	2.14	0.55	30.9	6.1	0.94	.273	2.11	46	2.38	58	6.30	52.3
9	Joe Ryan J. Ryan	5.01	107	44	31	.587	106	3.67	671	1	1	0	602.2	493	246	257	90	134	32	0	0	2,431	8	10.02	2.00	1.34	27.6	5.5	1.04	.268	3.84	90	3.70	90	7.36	27.7
10	Colton Gordon C. Gordon	5.00	14	4	4	.500	13	5.27	60	0	0	0	66.2	85	39	41	16	12	2	1	2	296	3	8.10	1.62	2.16	20.3	4.1	1.45	.335	5.54	131	5.05	123	11.48	-7.1
11	Zack Wheeler Z. Wheeler	4.99	156	69	37	.651	156	2.90	1,088	4	2	0	974.0	771	314	340	90	218	47	0	4	3,883	17	10.05	2.01	0.83	28.0	5.6	1.02	.279	3.14	69	2.95	69	7.12	140.8
12	Aaron Nola A. Nola	4.98	150	52	51	.505	150	4.02	1,005	6	4	0	899.2	813	402	425	127	202	27	0	4	3,678	8	10.05	2.02	1.27	27.3	5.5	1.13	.296	4.25	95	3.53	83	8.13	72.4
13	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
14	Brandon Woodruff B. Woodruff	4.93	87	34	20	.630	87	2.72	611	2	1	0	508.2	364	154	162	61	124	20	0	0	2,003	6	10.81	2.19	1.08	30.5	6.2	0.96	.255	2.87	65	3.16	75	6.44	60.4
15	Chris Sale C. Sale	4.87	75	34	14	.708	75	2.97	521	0	0	0	418.0	356	138	149	37	107	28	0	1	1,705	9	11.22	2.30	0.80	30.6	6.3	1.11	.315	3.21	68	2.80	68	7.67	61.5
16	Logan Gilbert L. Gilbert	4.85	137	43	34	.558	137	3.58	829	2	1	0	787.2	660	313	333	102	171	22	0	6	3,178	38	9.47	1.95	1.17	26.1	5.4	1.06	.272	3.80	92	3.48	87	7.54	44.9
17	Bryan Woo B. Woo	4.84	63	21	14	.600	63	3.30	339	0	0	0	355.0	284	130	138	49	70	13	0	1	1,417	3	8.59	1.77	1.24	23.9	4.9	1.00	.248	3.50	85	3.74	94	7.20	9.7
18	Shane Bieber S. Bieber	4.65	82	36	19	.655	82	2.91	581	2	0	0	514.0	436	166	177	50	125	10	0	0	2,071	23	10.17	2.19	0.88	28.1	6.0	1.09	.296	3.10	71	2.96	72	7.63	66.2
19	Clayton Kershaw C. Kershaw	4.58	99	49	22	.690	99	2.84	550	0	0	0	539.2	447	170	192	60	120	13	0	1	2,154	19	9.17	2.00	1.00	25.5	5.6	1.05	.274	3.20	69	3.31	77	7.45	56.7
20	Bailey Ober B. Ober	4.49	107	29	28	.509	107	4.01	566	2	0	0	574.1	519	256	266	96	126	20	0	0	2,342	4	8.87	1.97	1.50	24.2	5.4	1.12	.276	4.17	98	4.13	99	8.13	1.3
21	Nathan Eovaldi N. Eovaldi	4.44	134	55	30	.647	134	3.41	759	5	3	0	765.2	685	290	309	87	171	30	0	3	3,117	21	8.92	2.01	1.02	24.4	5.5	1.12	.289	3.63	80	3.45	82	8.05	67.2
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	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
24	Kevin Gausman K. Gausman	4.28	161	63	47	.573	159	3.38	1,045	2	1	0	928.0	823	349	382	99	244	13	1	3	3,813	19	10.13	2.37	0.96	27.4	6.4	1.15	.300	3.70	84	3.13	76	7.98	103.8
25	Yu Darvish Y. Darvish	4.27	118	48	38	.558	118	3.70	731	0	0	0	682.2	570	281	289	88	171	35	0	2	2,773	22	9.64	2.25	1.16	26.4	6.2	1.09	.276	3.81	93	3.60	87	7.51	41.4