mlb starting pitchers with with best k/bb ratio in last 5 years

Between October 28, 2020 and October 28, 2025, Trevor McDonald and Brandon Walter are tied for the highest K/BB by a starting pitcher, with 13.00 K/BB.

	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	H/9
1	Trevor McDonald T. McDonald	13.00	2	1	0	1.000	2	0.69	13	0	0	0	13.0	10	1	4	1	1	0	0	0	50	1	9.00	0.69	0.69	26.0	2.0	0.85	.257	2.77	6.92
2	Brandon Walter B. Walter	13.00	9	1	3	.250	9	3.35	52	0	0	0	53.2	46	20	20	10	4	3	0	0	212	0	8.72	0.67	1.68	24.5	1.9	0.93	.252	3.35	7.71
3	Fernando Cruz F. Cruz	12.50	7	0	1	.000	7	2.92	25	0	0	0	12.1	6	4	5	2	2	1	0	0	47	0	18.24	1.46	1.46	53.2	4.3	0.65	.235	3.65	4.38
4	Ryan Burr R. Burr	11.00	5	0	1	.000	5	2.45	11	0	0	0	7.1	6	2	2	0	1	1	0	0	30	0	13.50	1.23	0.00	36.7	3.3	0.95	.353	2.45	7.36
5	Jacob deGrom J. deGrom	8.07	65	26	14	.650	65	2.46	492	1	1	0	370.0	232	101	106	44	61	5	0	0	1,391	4	11.97	1.48	1.07	35.4	4.4	0.79	.238	2.58	5.64
6	Scott Alexander S. Alexander	8.00	12	0	2	.000	12	4.91	8	0	0	0	11.0	13	6	8	0	1	0	0	0	48	0	6.55	0.82	0.00	16.7	2.1	1.27	.333	6.55	10.64
7	Bubba Chandler B. Chandler	7.33	4	2	1	.667	4	5.12	22	0	0	0	19.1	16	11	11	0	3	1	0	0	77	1	10.24	1.40	0.00	28.6	3.9	0.98	.314	5.12	7.45
8	Connelly Early C. Early	7.25	4	1	2	.333	4	2.33	29	0	0	0	19.1	17	5	6	0	4	1	0	0	79	0	13.50	1.86	0.00	36.7	5.1	1.09	.378	2.79	7.91
9	Tyler Holton T. Holton	6.75	16	0	3	.000	16	3.42	27	0	0	0	26.1	21	10	10	5	4	0	0	0	102	0	9.23	1.37	1.71	26.5	3.9	0.95	.242	3.42	7.18
10	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	8.69
11	Trevor Richards T. Richards	6.50	9	0	2	.000	9	2.04	26	0	0	0	17.2	11	4	4	2	4	0	0	0	68	1	13.25	2.04	1.02	38.2	5.9	0.85	.250	2.04	5.60
12	Parker Messick P. Messick	6.33	7	3	1	.750	7	2.72	38	0	0	0	39.2	46	12	12	4	6	0	0	0	165	2	8.62	1.36	0.91	23.0	3.6	1.31	.359	2.72	10.44
13	Aaron Bummer A. Bummer	6.00	2	0	0		2	12.46	6	0	0	0	4.1	6	6	6	3	1	1	0	0	21	0	12.46	2.08	6.23	28.6	4.8	1.62	.300	12.46	12.46
14	Jack Dreyer J. Dreyer	6.00	5	0	1	.000	5	6.48	6	0	0	0	8.1	9	6	6	0	1	0	0	0	35	1	6.48	1.08	0.00	17.1	2.9	1.20	.321	6.48	9.72
15	Spencer Bivens S. Bivens	6.00	2	1	0	1.000	2	1.93	6	0	0	0	9.1	8	2	2	2	1	0	0	0	37	0	5.79	0.96	1.93	16.2	2.7	0.96	.214	1.93	7.71
16	Tanner Banks T. Banks	6.00	6	0	4	.000	6	6.75	18	0	0	0	16.0	20	12	12	1	3	2	0	0	74	0	10.13	1.69	0.56	24.3	4.1	1.44	.380	6.75	11.25
17	Brusdar Graterol B. Graterol	6.00	3	0	0		3	9.00	6	0	0	0	4.0	5	4	4	1	1	0	0	0	18	0	13.50	2.25	2.25	33.3	5.6	1.50	.400	9.00	11.25
18	Brent Honeywell Jr. B. Honeywell Jr.	6.00	3	0	0		3	4.50	6	0	0	0	6.0	4	3	3	1	1	0	0	0	23	0	9.00	1.50	1.50	26.1	4.3	0.83	.200	4.50	6.00
19	Garrett Crochet G. Crochet	5.87	64	24	17	.585	64	3.00	464	1	1	0	351.1	288	117	123	42	79	8	0	0	1,409	10	11.89	2.02	1.08	32.9	5.6	1.04	.301	3.15	7.38
20	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	7.49
21	Zach Eflin Z. Eflin	5.71	104	39	34	.534	104	4.04	525	0	0	0	588.0	594	264	276	82	92	15	0	4	2,423	5	8.04	1.41	1.26	21.7	3.8	1.17	.300	4.22	9.09
22	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	7.53
23	Tarik Skubal T. Skubal	5.36	127	53	32	.624	127	2.96	847	1	1	0	729.0	579	240	264	80	158	23	0	0	2,895	11	10.46	1.95	0.99	29.3	5.5	1.01	.279	3.26	7.15
24	Shawn Armstrong S. Armstrong	5.25	18	0	3	.000	18	1.51	42	0	0	0	35.2	27	6	8	2	8	0	0	0	138	0	10.60	2.02	0.50	30.4	5.8	0.98	.291	2.02	6.81
25	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	6.46