Between August 13, 2023 and August 13, 2025, Jayvien Sandridge and Angel Felipe are tied for the best K/9, with 27.00 per nine innings.

Interpreted as:

highest k/9 by a player over the past 2 years

	NAME	K/9	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Jayvien Sandridge J. Sandridge	27.00	1	0	0		0	27.00	2	0	0	0	0.2	1	2	2	1	2	1	0	0	6	0	27.00	1.00	13.50	33.3	33.3	4.50		27.00	13.50
2	Angel Felipe A. Felipe	27.00	1	0	1	.000	0	81.00	1	0	0	0	0.1	0	3	3	0	3	0	0	0	4	0	81.00	0.33	0.00	25.0	75.0	9.00		81.00	0.00
3	Riley Pint R. Pint	18.90	4	0	0		0	21.60	7	0	0	0	3.1	5	8	8	2	5	2	1	0	22	4	13.50	1.40	5.40	31.8	22.7	3.00	.500	21.60	13.50
4	Evan Sisk E. Sisk	18.56	5	0	0		0	1.69	11	0	0	0	5.1	5	1	1	0	5	0	1	0	26	1	8.44	2.20	0.00	42.3	19.2	1.88	.500	1.69	8.44
5	Amir Garrett A. Garrett	18.56	6	0	0		0	5.06	11	0	0	0	5.1	4	3	3	1	5	0	1	0	24	0	8.44	2.20	1.69	45.8	20.8	1.69	.429	5.06	6.75
6	Zach Logue Z. Logue	18.00	2	0	0		0	18.00	4	0	0	0	2.0	6	4	4	1	0	0	1	0	12	0	0.00		4.50	33.3	0.0	3.00	.714	18.00	27.00
7	Jose Espada J. Espada	18.00	1	0	0		0	0.00	2	0	0	0	1.0	0	0	0	0	2	0	1	0	5	0	18.00	1.00	0.00	40.0	40.0	2.00	.000	0.00	0.00
8	Joe Rock J. Rock	16.20	2	0	0		0	3.60	9	0	0	0	5.0	6	2	2	1	0	1	2	0	23	0	0.00		1.80	39.1	0.0	1.20	.417	3.60	10.80
9	Sauryn Lao S. Lao	16.20	1	0	0		0	0.00	3	0	0	0	1.2	3	0	1	0	0	0	1	0	8	0	0.00		0.00	37.5	0.0	1.80	.600	5.40	16.20
10	Robert Stephenson R. Stephenson	15.66	19	1	0	1.000	0	0.54	29	0	0	1	16.2	5	1	1	1	1	0	3	1	56	1	0.54	29.00	0.54	51.8	1.8	0.36	.160	0.54	2.70
11	Chase Burns C. Burns	14.94	8	0	3	.000	8	5.24	57	0	0	0	34.1	33	20	23	4	13	0	0	0	151	0	3.41	4.38	1.05	37.7	8.6	1.34	.377	6.03	8.65
12	Fernando Cruz F. Cruz	14.52	118	5	12	.294	5	4.39	192	0	0	2	119.0	86	58	61	13	57	4	12	2	499	14	4.31	3.37	0.98	38.5	11.4	1.20	.313	4.61	6.50
13	Mason Miller M. Miller	14.25	104	3	5	.375	2	3.13	191	0	0	49	120.2	71	42	49	12	50	3	77	5	474	6	3.73	3.82	0.90	40.3	10.5	1.00	.271	3.65	5.30
14	Michel Otañez M. Otañez	13.96	42	1	0	1.000	0	4.81	61	0	0	1	39.1	34	21	23	4	25	4	7	0	179	6	5.72	2.44	0.92	34.1	14.0	1.50	.353	5.26	7.78
15	Edwin Díaz E. Díaz	13.77	99	11	6	.647	0	2.65	151	0	0	43	98.2	61	29	33	10	37	10	74	0	395	9	3.38	4.08	0.91	38.2	9.4	0.99	.273	3.01	5.56
16	Aroldis Chapman A. Chapman	13.65	135	9	9	.500	0	2.99	187	0	0	38	123.1	78	41	49	11	64	3	53	2	510	10	4.67	2.92	0.80	36.7	12.5	1.15	.273	3.58	5.69
17	Jonathan Pintaro J. Pintaro	13.50	1	0	0		0	27.00	1	0	0	0	0.2	2	2	2	0	2	0	0	0	6	0	27.00	0.50	0.00	16.7	33.3	6.00	.667	27.00	27.00
18	Lucas Luetge L. Luetge	13.50	1	0	0		0	0.00	3	0	0	0	2.0	0	0	0	0	0	0	1	0	6	0	0.00		0.00	50.0	0.0	0.00	.000	0.00	0.00
19	Clayton Andrews C. Andrews	13.50	3	0	0		0	27.00	3	0	0	0	2.0	6	6	6	3	1	1	0	0	14	0	4.50	3.00	13.50	21.4	7.1	3.50	.500	27.00	27.00
20	Trevor Kelley T. Kelley	13.50	1	0	0		0	18.00	3	0	0	0	2.0	4	4	4	1	2	0	0	0	12	0	9.00	1.50	4.50	25.0	16.7	3.00	.500	18.00	18.00
21	Carson Kelly C. Kelly	13.50	1	0	0		0	13.50	1	0	0	0	0.2	4	1	1	1	0	0	0	0	6	0	0.00		13.50	16.7	0.0	6.00	.750	13.50	54.00
22	Dylan Coleman D. Coleman	13.50	5	0	2	.000	0	5.40	5	0	0	0	3.1	2	2	3	1	3	1	2	0	17	1	8.10	1.67	2.70	29.4	17.6	1.50	.143	8.10	5.40
23	Nick Wittgren N. Wittgren	13.50	1	1	0	1.000	0	0.00	1	0	0	0	0.2	2	0	0	0	1	0	1	0	5	0	13.50	1.00	0.00	20.0	20.0	4.50	.667	0.00	27.00
24	Jeremiah Estrada J. Estrada	13.46	119	10	7	.588	0	2.72	173	0	0	4	115.2	79	35	40	9	40	3	20	3	471	7	3.11	4.33	0.70	36.7	8.5	1.03	.285	3.11	6.15
25	Josh Hader J. Hader	13.21	136	16	12	.571	0	2.99	203	0	0	68	138.1	87	46	54	22	49	4	117	2	550	7	3.19	4.14	1.43	36.9	8.9	0.98	.239	3.51	5.66