Jordan Montgomery had the worst ERA with 100.0+ innings pitched in 2024, with an ERA of 6.23.

Interpreted as:

worst era by a player min 100 ip last year

	NAME	ERA	IP	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Jordan Montgomery J. Montgomery	6.23	117.0	2024	ARI	25	8	7	.533	21	83	0	0	1	149	81	83	14	44	2	3	3	532	7	6.38	3.38	1.89	1.08	15.6	8.3	1.65	.347	6.38	149	4.48	114	11.46	-7.4
2	Kenta Maeda K. Maeda	6.09	112.1	2024	DET	29	3	7	.300	17	96	0	0	0	124	76	80	22	31	5	2	0	485	3	7.69	2.48	3.10	1.76	19.8	6.4	1.38	.308	6.41	153	4.96	123	9.93	-11.5
3	Kyle Hendricks K. Hendricks	5.92	130.2	2024	CHC	29	4	12	.250	24	87	0	0	0	147	86	88	21	43	3	4	0	567	0	5.99	2.96	2.02	1.45	15.3	7.6	1.45	.305	6.06	148	4.97	125	10.13	-14.9
4	Carlos Carrasco C. Carrasco	5.64	103.2	2024	CLE	21	3	10	.231	21	89	0	0	0	112	65	68	19	33	5	0	0	447	5	7.73	2.86	2.70	1.65	19.9	7.4	1.40	.309	5.90	142	4.92	122	9.72	-10.3
5	Patrick Corbin P. Corbin	5.62	174.2	2024	WSH	32	6	13	.316	32	139	0	0	0	208	109	114	25	54	3	0	1	764	3	7.16	2.78	2.57	1.29	18.2	7.1	1.50	.337	5.87	137	4.41	108	10.72	-5.9
6	Miles Mikolas M. Mikolas	5.35	171.2	2024	STL	32	10	11	.476	32	122	0	0	0	194	102	106	26	25	5	0	0	720	0	6.40	1.31	4.88	1.36	16.9	3.5	1.28	.310	5.56	132	4.23	106	10.17	-5.1
7	Kyle Freeland K. Freeland	5.24	113.1	2024	COL	21	5	8	.385	21	85	0	0	0	134	66	73	22	26	1	0	0	490	1	6.75	2.06	3.27	1.75	17.3	5.3	1.41	.315	5.80	112	4.90	115	10.64	-7.4
8	Griffin Canning G. Canning	5.19	171.2	2024	LAA	32	6	13	.316	31	130	0	0	0	174	99	105	31	66	6	1	1	739	6	6.82	3.46	1.97	1.63	17.6	8.9	1.40	.283	5.50	127	5.25	125	9.12	-19.1
9	Cole Irvin C. Irvin	5.11	111.0	2024	TOT	29	6	6	.500	16	78	0	0	1	132	63	71	18	29	6	4	1	492	2	6.32	2.35	2.69	1.46	15.9	5.9	1.45	.316	5.76	130	4.81	120	10.70	-10.1
10	Tyler Alexander T. Alexander	5.10	107.2	2024	TBR	23	6	5	.545	9	90	0	0	0	110	61	61	23	24	5	1	1	455	0	7.52	2.01	3.75	1.92	19.8	5.3	1.24	.278	5.10	132	5.07	128	9.20	-13.8
11	Joey Estes J. Estes	5.01	127.2	2024	OAK	25	7	9	.438	24	92	1	1	0	130	71	73	23	27	10	0	1	543	3	6.49	1.90	3.41	1.62	16.9	5.0	1.23	.274	5.15	130	4.93	124	9.16	-14.3
12	Cal Quantrill C. Quantrill	4.98	148.1	2024	COL	29	8	11	.421	29	110	0	0	0	156	82	83	23	69	11	0	0	656	6	6.67	4.19	1.59	1.40	16.8	10.5	1.52	.300	5.04	107	5.31	125	9.47	-16.2
13	Chris Flexen C. Flexen	4.95	160.0	2024	CWS	33	3	15	.167	30	123	0	0	0	180	88	95	24	63	2	0	1	707	4	6.92	3.54	1.95	1.35	17.4	8.9	1.52	.315	5.34	122	4.79	114	10.13	-9.8
14	Trevor Rogers T. Rogers	4.92	124.1	2024	TOT	25	2	11	.154	25	97	0	0	0	140	68	74	14	56	4	0	2	562	1	7.02	4.05	1.73	1.01	17.3	10.0	1.58	.322	5.36	119	4.51	111	10.13	-6.4
15	Matt Waldron M. Waldron	4.91	146.2	2024	SDP	27	7	11	.389	26	133	0	0	0	145	80	84	21	40	11	0	0	625	5	8.16	2.45	3.33	1.29	21.3	6.4	1.26	.295	5.15	124	4.25	106	8.90	-3.9
16	Frankie Montas Jr. F. Montas Jr.	4.84	150.2	2024	TOT	30	7	11	.389	30	148	0	0	0	140	81	89	24	66	6	0	0	655	3	8.84	3.94	2.24	1.43	22.6	10.1	1.37	.282	5.32	113	4.70	111	8.36	-7.3
17	Nick Lodolo N. Lodolo	4.76	115.1	2024	CIN	21	9	6	.600	21	122	0	0	0	101	61	62	13	37	18	0	0	493	1	9.52	2.89	3.30	1.01	24.7	7.5	1.20	.290	4.84	109	3.94	92	7.88	4.6
18	Austin Gomber A. Gomber	4.75	165.0	2024	COL	30	5	12	.294	30	116	0	0	0	178	87	89	30	38	1	0	0	696	3	6.33	2.07	3.05	1.64	16.7	5.5	1.31	.290	4.85	102	4.83	113	9.71	-9.6
19	Brandon Pfaadt B. Pfaadt	4.71	181.2	2024	ARI	32	11	10	.524	32	185	0	0	0	183	95	103	24	42	4	0	1	760	1	9.17	2.08	4.40	1.19	24.3	5.5	1.24	.315	5.10	113	3.60	91	9.07	6.7
20	Mitch Spence M. Spence	4.58	151.1	2024	OAK	35	8	10	.444	24	126	0	0	0	165	77	79	20	44	6	2	0	651	8	7.49	2.62	2.86	1.19	19.4	6.8	1.38	.319	4.70	119	4.20	106	9.81	-4.3
21	Kyle Harrison K. Harrison	4.56	124.1	2024	SFG	24	7	7	.500	24	118	0	0	0	125	63	65	18	42	7	0	0	532	2	8.54	3.04	2.81	1.30	22.2	7.9	1.34	.308	4.71	114	4.33	111	9.05	-6.4
22	Alec Marsh A. Marsh	4.53	129.0	2024	KCR	26	9	9	.500	25	123	0	0	0	123	65	70	19	39	11	1	1	548	3	8.58	2.72	3.15	1.33	22.4	7.1	1.26	.292	4.88	108	4.33	106	8.58	-3.5
23	Martín Pérez M. Pérez	4.53	135.0	2024	TOT	26	5	6	.455	26	107	0	0	0	151	68	71	22	49	5	0	0	590	2	7.13	3.27	2.18	1.47	18.1	8.3	1.48	.317	4.73	110	4.89	121	10.07	-12.8
24	Spencer Arrighetti S. Arrighetti	4.53	145.0	2024	HOU	29	7	13	.350	28	171	0	0	0	139	73	80	21	65	7	0	0	632	3	10.61	4.03	2.63	1.30	27.1	10.3	1.41	.321	4.97	114	4.17	103	8.63	-2.1
25	Ryan Feltner R. Feltner	4.49	162.1	2024	COL	30	3	10	.231	30	138	0	0	0	165	81	94	20	52	7	0	0	692	4	7.65	2.88	2.65	1.11	19.9	7.5	1.34	.305	5.21	96	4.15	97	9.15	2.2