Erik Rivera

Boston Red Sox (AA)

Age: 25

Bats/Throws: L/L

6'2" / 200

DOB: 4/2/2001

(25 years, 5 months, 4 days)

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Preseason ProjectionsIn-Season ProjectionsMinor Leagues

Season	Team	Level	Age	W	L	SV	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	xERA	FIP	xFIP	WAR
2021	LAA	A	20	0	0	0	1	1	3.1	16.20	2.70	0.00	.200	100.0%	20.0%	0.0%	0.00		2.43	3.72
2023	LAA	CPX	22	0	1	0	5	4	6.2	14.85	17.55	0.00	.250	70.6%	50.0%	0.0%	6.75		7.94	8.71
2023	LAA	A+	22	0	0	0	2	2	4.1	10.38	4.15	0.00	.400	100.0%	40.0%	0.0%	0.00		2.78	3.79
2023	LAA	MiLB	22	0	1	0	7	6	11.0	13.09	12.27	0.00	.318	78.3%	45.5%	0.0%	4.09		5.91	6.77
2024	LAA	A+	23	0	1	0	10	8	35.1	9.93	5.09	1.27	.258	76.7%	51.1%	14.7%	3.31		4.94	4.25
2025	BOS	A+	24	2	1	2	21	1	46.2	11.57	6.94	0.96	.330	56.6%	49.5%	16.1%	7.33		4.91	4.24
2026	Steamer	PROJ	25	0	0	0	1	0	1.0	6.73	6.08	1.16	.303	70.7%	44.9%		5.31		5.49	5.49	0.0
2026	OOPSY	PROJ	25	0	0	0	1	1	2.5	7.15	5.78	1.22	.303	68.7%			5.45		5.41		0.0
2026	BOS	AA	25	0	4	4	34	0	58.0	13.50	6.21	0.93	.333	61.2%	37.7%	16.2%	5.12		4.31	4.15
2026	BOS	AAA	25	0	0	0	1	0	3.2	7.36	12.27	0.00	.143	66.7%	33.3%	0.0%	4.91	11.17	5.95	6.45
2026	BOS	MiLB	25	0	4	4	35	0	61.2	13.14	6.57	0.88	.324	61.6%	37.5%	15.8%	5.11	11.17	4.41	4.28
2026	Steamer	ROS	25	0	0	0	1	0	1.0	8.13	5.63	1.00	.303	72.1%			4.65		4.78		0.0
2026	OOPSY	ROS	25	0	0	0	1	1	2.1	8.52	5.71	1.19	.301	70.2%			5.05		5.04		0.0

Season	Team	Level	Age	W	L	SV	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	xERA	FIP	xFIP	WAR
2021	LAA	A	20	0	0	0	1	1	3.1	16.20	2.70	0.00	.200	100.0%	20.0%	0.0%	0.00		2.43	3.72
2023	LAA	CPX	22	0	1	0	5	4	6.2	14.85	17.55	0.00	.250	70.6%	50.0%	0.0%	6.75		7.94	8.71
2023	LAA	A+	22	0	0	0	2	2	4.1	10.38	4.15	0.00	.400	100.0%	40.0%	0.0%	0.00		2.78	3.79
2023	LAA	MiLB	22	0	1	0	7	6	11.0	13.09	12.27	0.00	.318	78.3%	45.5%	0.0%	4.09		5.91	6.77
2024	LAA	A+	23	0	1	0	10	8	35.1	9.93	5.09	1.27	.258	76.7%	51.1%	14.7%	3.31		4.94	4.25
2025	BOS	A+	24	2	1	2	21	1	46.2	11.57	6.94	0.96	.330	56.6%	49.5%	16.1%	7.33		4.91	4.24
2026	Steamer	PROJ	25	0	0	0	1	0	1.0	6.73	6.08	1.16	.303	70.7%	44.9%		5.31		5.49	5.49	0.0
2026	OOPSY	PROJ	25	0	0	0	1	1	2.5	7.15	5.78	1.22	.303	68.7%			5.45		5.41		0.0
2026	BOS	AA	25	0	4	4	34	0	58.0	13.50	6.21	0.93	.333	61.2%	37.7%	16.2%	5.12		4.31	4.15
2026	BOS	AAA	25	0	0	0	1	0	3.2	7.36	12.27	0.00	.143	66.7%	33.3%	0.0%	4.91	11.17	5.95	6.45
2026	BOS	MiLB	25	0	4	4	35	0	61.2	13.14	6.57	0.88	.324	61.6%	37.5%	15.8%	5.11	11.17	4.41	4.28
2026	Steamer	ROS	25	0	0	0	1	0	1.0	8.13	5.63	1.00	.303	72.1%			4.65		4.78		0.0
2026	OOPSY	ROS	25	0	0	0	1	1	2.1	8.52	5.71	1.19	.301	70.2%			5.05		5.04		0.0

Preseason ProjectionsIn-Season ProjectionsMinor Leagues

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2021	LAA	A	0	0	0.00	1	1		0	0	0	0	0	3.1	13	1	0	0	0	1	0	1	0	0	6
2023	LAA	CPX	0	1	6.75	5	4		0	0	0	0	0	6.2	37	3	5	5	0	13	0	1	4	0	11
2023	LAA	A+	0	0	0.00	2	2		0	0	0	0	0	4.1	17	4	0	0	0	2	0	0	0	0	5
2023	LAA	MiLB	0	1	4.09	7	6		0	0	0	0	0	11.0	54	7	5	5	0	15	0	1	4	0	16
2024	LAA	A+	0	1	3.31	10	8		0	0	0	1	0	35.1	158	29	17	13	5	20	0	1	3	0	39
2025	BOS	A+	2	1	7.33	21	1		0	0	2	4	1	46.2	216	41	40	38	5	36	0	6	3	3	60
2026	Steamer	PROJ	0	0	5.31	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1	0	0			1
2026	OOPSY	PROJ	0	0	5.45	1	1	0			0	0		2.5	12	3	2	2	0	2	0	0			2
2026	BOS	AA	0	4	5.12	34	0		0	0	4	3	3	58.0	268	49	42	33	6	40	0	6	9	2	87
2026	BOS	AAA	0	0	4.91	1	0		0	0	0	0	0	3.2	15	1	2	2	0	5	0	0	0	0	3
2026	BOS	MiLB	0	4	5.11	35	0		0	0	4	3	3	61.2	283	50	44	35	6	45	0	6	9	2	90
2026	Steamer	ROS	0	0	4.65	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2026	OOPSY	ROS	0	0	5.05	1	1	0			0	0		2.1	10	2	1	1	0	1	0	0			2

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2021	LAA	A	0	0	0.00	1	1		0	0	0	0	0	3.1	13	1	0	0	0	1	0	1	0	0	6
2023	LAA	CPX	0	1	6.75	5	4		0	0	0	0	0	6.2	37	3	5	5	0	13	0	1	4	0	11
2023	LAA	A+	0	0	0.00	2	2		0	0	0	0	0	4.1	17	4	0	0	0	2	0	0	0	0	5
2023	LAA	MiLB	0	1	4.09	7	6		0	0	0	0	0	11.0	54	7	5	5	0	15	0	1	4	0	16
2024	LAA	A+	0	1	3.31	10	8		0	0	0	1	0	35.1	158	29	17	13	5	20	0	1	3	0	39
2025	BOS	A+	2	1	7.33	21	1		0	0	2	4	1	46.2	216	41	40	38	5	36	0	6	3	3	60
2026	Steamer	PROJ	0	0	5.31	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1	0	0			1
2026	OOPSY	PROJ	0	0	5.45	1	1	0			0	0		2.5	12	3	2	2	0	2	0	0			2
2026	BOS	AA	0	4	5.12	34	0		0	0	4	3	3	58.0	268	49	42	33	6	40	0	6	9	2	87
2026	BOS	AAA	0	0	4.91	1	0		0	0	0	0	0	3.2	15	1	2	2	0	5	0	0	0	0	3
2026	BOS	MiLB	0	4	5.11	35	0		0	0	4	3	3	61.2	283	50	44	35	6	45	0	6	9	2	90
2026	Steamer	ROS	0	0	4.65	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2026	OOPSY	ROS	0	0	5.05	1	1	0			0	0		2.1	10	2	1	1	0	1	0	0			2

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAverages

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2021	LAA	A	16.20	2.70	6.00	0.00	46.2%	7.7%	38.5%	.091	0.60	.200	100.0%	0	52	2.43
2023	LAA	CPX	14.85	17.55	0.85	0.00	29.7%	35.1%	-5.4%	.130	2.40	.250	70.6%	115	141	7.94
2023	LAA	A+	10.38	4.15	2.50	0.00	29.4%	11.8%	17.6%	.267	1.38	.400	100.0%	0	66	2.78
2023	LAA	MiLB	13.09	12.27	1.07	0.00	29.6%	27.8%	1.9%	.184	2.00	.318	78.3%	70	112	5.91
2024	LAA	A+	9.93	5.09	1.95	1.27	24.7%	12.7%	12.0%	.212	1.39	.258	76.7%	86	128	4.94
2025	BOS	A+	11.57	6.94	1.67	0.96	27.8%	16.7%	11.1%	.236	1.65	.330	56.6%	183	125	4.91
2026	Steamer	PROJ	6.73	6.08	1.11	1.16	16.1%	14.5%	1.6%	.268	1.73	.303	70.7%			5.49
2026	OOPSY	PROJ	7.15	5.78	1.24	1.22	17.0%	13.8%	3.3%	.266	1.70	.303	68.7%			5.41
2026	BOS	AA	13.50	6.21	2.18	0.93	32.5%	14.9%	17.5%	.221	1.53	.333	61.2%	106	92	4.31
2026	BOS	AAA	7.36	12.27	0.60	0.00	20.0%	33.3%	-13.3%	.100	1.64	.143	66.7%	100	122	5.95
2026	BOS	MiLB	13.14	6.57	2.00	0.88	31.8%	15.9%	15.9%	.216	1.54	.324	61.6%	106	94	4.41
2026	Steamer	ROS	8.13	5.63	1.45	1.00	19.9%	13.8%	6.1%	.252	1.60	.303	72.1%			4.78
2026	OOPSY	ROS	8.52	5.71	1.49	1.19	20.5%	13.8%	6.8%	.252	1.62	.301	70.2%			5.04

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2021	LAA	A	16.20	2.70	6.00	0.00	46.2%	7.7%	38.5%	.091	0.60	.200	100.0%	0	52	2.43
2023	LAA	CPX	14.85	17.55	0.85	0.00	29.7%	35.1%	-5.4%	.130	2.40	.250	70.6%	115	141	7.94
2023	LAA	A+	10.38	4.15	2.50	0.00	29.4%	11.8%	17.6%	.267	1.38	.400	100.0%	0	66	2.78
2023	LAA	MiLB	13.09	12.27	1.07	0.00	29.6%	27.8%	1.9%	.184	2.00	.318	78.3%	70	112	5.91
2024	LAA	A+	9.93	5.09	1.95	1.27	24.7%	12.7%	12.0%	.212	1.39	.258	76.7%	86	128	4.94
2025	BOS	A+	11.57	6.94	1.67	0.96	27.8%	16.7%	11.1%	.236	1.65	.330	56.6%	183	125	4.91
2026	Steamer	PROJ	6.73	6.08	1.11	1.16	16.1%	14.5%	1.6%	.268	1.73	.303	70.7%			5.49
2026	OOPSY	PROJ	7.15	5.78	1.24	1.22	17.0%	13.8%	3.3%	.266	1.70	.303	68.7%			5.41
2026	BOS	AA	13.50	6.21	2.18	0.93	32.5%	14.9%	17.5%	.221	1.53	.333	61.2%	106	92	4.31
2026	BOS	AAA	7.36	12.27	0.60	0.00	20.0%	33.3%	-13.3%	.100	1.64	.143	66.7%	100	122	5.95
2026	BOS	MiLB	13.14	6.57	2.00	0.88	31.8%	15.9%	15.9%	.216	1.54	.324	61.6%	106	94	4.41
2026	Steamer	ROS	8.13	5.63	1.45	1.00	19.9%	13.8%	6.1%	.252	1.60	.303	72.1%			4.78
2026	OOPSY	ROS	8.52	5.71	1.49	1.19	20.5%	13.8%	6.8%	.252	1.62	.301	70.2%			5.04

Preseason ProjectionsIn-Season ProjectionsMinor Leagues

Season	Team	Level	Events	EV	maxEV	LA	Barrels	Barrel%	HardHit	HardHit%	divider	ERA	xERA
2026	BOS	AAA	7	90.3	104.0	3.9	0	0.0%	3	42.9%		4.91	11.17

Season	Team	Level	Events	EV	maxEV	LA	Barrels	Barrel%	HardHit	HardHit%	divider	ERA	xERA
2026	BOS	AAA	7	90.3	104.0	3.9	0	0.0%	3	42.9%		4.91	11.17