Bryan Abreu has an ERA of 1.69 this season.

Interpreted as:

How many relievers havea 4 or below era this regular season?

	NAME	ERA	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Bryan Abreu B. Abreu	1.69	2025	HOU	17	0	1	.000	0	23	0	0	0	16.0	11	3	3	0	9	0	3	0	70	1	12.94	5.06	2.56	0.00	32.9	12.9	1.25	.289	1.69	6.19
2	Jason Adam J. Adam	1.77	2025	SDP	19	3	0	1.000	0	26	0	0	0	20.1	11	4	5	2	9	1	2	0	82	1	11.51	3.98	2.89	0.89	31.7	11.0	0.98	.205	2.21	4.87
3	José Alvarado J. Alvarado	3.18	2025	PHI	16	3	1	.750	0	22	0	0	6	17.0	18	6	7	1	3	0	8	0	73	2	11.65	1.59	7.33	0.53	30.1	4.1	1.24	.362	3.71	9.53
4	Shawn Armstrong S. Armstrong	2.93	2025	TEX	14	1	0	1.000	0	17	0	0	0	15.1	11	5	6	1	8	2	4	0	66	2	9.98	4.70	2.13	0.59	25.8	12.1	1.24	.263	3.52	6.46
5	Bryan Baker B. Baker	2.40	2025	BAL	16	2	0	1.000	0	17	0	0	0	15.0	13	4	4	3	5	0	3	0	58	0	10.20	3.00	3.40	1.80	29.3	8.6	1.20	.303	2.40	7.80
6	Anthony Banda A. Banda	3.18	2025	LAD	17	3	0	1.000	0	11	0	0	0	17.0	14	6	6	3	5	0	1	0	65	0	5.82	2.65	2.20	1.59	16.9	7.7	1.12	.239	3.18	7.41
7	Tanner Banks T. Banks	2.93	2025	PHI	14	1	0	1.000	0	18	0	0	0	15.1	11	5	5	1	4	0	5	0	59	1	10.57	2.35	4.50	0.59	30.5	6.8	0.98	.278	2.93	6.46
8	Jake Bauers J. Bauers	0.00	2025	MIL	4	0	0		0	0	0	0	0	4.0	4	0	0	0	1	2	4	0	19	0	0.00	2.25	0.00	0.00	0.0	5.3	1.25	.250	0.00	9.00
9	Félix Bautista F. Bautista	1.80	2025	BAL	10	0	0		0	12	0	0	6	10.0	5	2	2	0	6	0	10	0	41	1	10.80	5.40	2.00	0.00	29.3	14.6	1.10	.217	1.80	4.50
10	Jalen Beeks J. Beeks	2.25	2025	AZ	17	1	0	1.000	0	18	0	0	1	20.0	14	5	6	2	6	0	3	1	79	0	8.10	2.70	3.00	0.90	22.8	7.6	1.00	.226	2.70	6.30
11	Brennan Bernardino B. Bernardino	1.93	2025	BOS	14	2	1	.667	0	14	0	0	0	14.0	10	3	8	1	2	2	6	1	59	0	9.00	1.29	7.00	0.64	23.7	3.4	0.86	.225	5.14	6.43
12	Scott Blewett S. Blewett	2.92	2025	TOT	7	0	0		0	16	0	0	0	12.1	11	4	5	1	4	1	3	0	52	1	11.68	2.92	4.00	0.73	30.8	7.7	1.22	.333	3.65	8.03
13	Ryan Borucki R. Borucki	3.07	2025	PIT	16	0	0		0	13	0	0	0	14.2	9	5	6	0	4	0	1	1	55	2	7.98	2.45	3.25	0.00	23.6	7.3	0.89	.237	3.68	5.52
14	Huascar Brazobán H. Brazobán	1.40	2025	NYM	15	1	0	1.000	0	18	0	0	1	19.1	12	3	3	2	4	3	2	0	73	0	8.38	1.86	4.50	0.93	24.7	5.5	0.83	.217	1.40	5.59
15	John Brebbia J. Brebbia	1.00	2025	DET	8	1	0	1.000	0	9	0	0	0	9.0	3	1	2	0	5	3	6	0	38	0	9.00	5.00	1.80	0.00	23.7	13.2	0.89	.143	2.00	3.00
16	Connor Brogdon C. Brogdon	0.00	2025	LAA	1	0	0		0	0	0	0	0	1.0	2	0	0	0	0	0	0	0	4	0	0.00	0.00		0.00	0.0	0.0	2.00	.500	0.00	18.00
17	Aaron Bummer A. Bummer	3.60	2025	ATL	12	0	1	.000	0	18	0	0	0	15.0	13	6	7	0	6	1	3	3	64	1	10.80	3.60	3.00	0.00	28.1	9.4	1.27	.333	4.20	7.80
18	Génesis Cabrera G. Cabrera	3.86	2025	NYM	2	0	0		0	0	0	0	0	2.1	3	1	1	0	1	0	0	0	11	0	0.00	3.86	0.00	0.00	0.0	9.1	1.71	.300	3.86	11.57
19	Willi Castro W. Castro	0.00	2025	MIN	1	0	0		0	0	0	0	0	1.0	1	0	0	0	0	0	1	0	4	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	9.00
20	Andrew Chafin A. Chafin	3.86	2025	WSH	3	0	0		0	3	0	0	0	2.1	2	1	1	0	2	0	0	0	11	2	11.57	7.71	1.50	0.00	27.3	18.2	1.71	.333	3.86	7.71
21	Aroldis Chapman A. Chapman	2.19	2025	BOS	14	2	1	.667	0	18	0	0	5	12.1	8	3	3	2	5	0	8	0	50	1	13.14	3.65	3.60	1.46	36.0	10.0	1.05	.240	2.19	5.84
22	Danny Coulombe D. Coulombe	0.00	2025	MIN	16	1	0	1.000	0	15	0	0	1	14.1	7	0	0	0	1	0	5	0	51	0	9.42	0.63	15.00	0.00	29.4	2.0	0.56	.200	0.00	4.40
23	Fernando Cruz F. Cruz	1.37	2025	NYY	17	1	0	1.000	0	29	0	0	2	19.2	10	3	5	1	7	0	3	0	74	1	13.27	3.20	4.14	0.46	39.2	9.5	0.86	.243	2.29	4.58
24	Edwin Díaz E. Díaz	3.86	2025	NYM	14	1	0	1.000	0	22	0	0	8	14.0	10	6	7	2	7	2	10	0	59	4	14.14	4.50	3.14	1.29	37.3	11.9	1.21	.308	4.50	6.43
25	Jhonathan Díaz J. Díaz	0.00	2025	SEA	1	0	0		0	1	0	0	0	1.1	1	0	0	0	0	0	1	0	5	0	6.75	0.00		0.00	20.0	0.0	0.75	.250	0.00	6.75