Blake Treinen

Position: Relief Pitcher

Bats: Right • Throws: Right

6-5, 225lb (196cm, 102kg)

Team: Los Angeles Dodgers (majors, 15-day IL)

Born: June 30, 1988 in Wichita, KS us

Draft: Drafted by the Florida Marlins in the 23rd round of the 2010 MLB June Amateur Draft from South Dakota State University (Brookings, SD) and the Oakland Athletics in the 7th round of the 2011 MLB June Amateur Draft from South Dakota State University (Brookings, SD).

High School: Osage City HS (Osage City, KS)

School: South Dakota State University (Brookings, SD)

Rookie Status: Exceeded rookie limits during 2014 season

2026 Contract Status: Signed thru 2026, 2 yrs/$22M (25-26)

Service Time (01/2026): 11.065 • Free Agent: 2027

Agents: Apex Baseball

Full Name: Blake Michael Treinen

Nicknames: B-Lockay or Train

Pronunciation: \TRI-nehn\

Instagram: @blaketreinen49

View Player Info from the B-R Bullpen

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SUMMARY

2026

Career

WAR

0.2

12.2

ERA

3.52

2.93

560

23.0

599.1

621

WHIP

1.348

1.236

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Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
2011	23		2 Teams	2 Lgs	A-Rk	OAK	1	1	.500	3.30	3.90	21	0	14	0	0	2	30.0	23	13	11	1	8	0	36	1	0	2	123	1.033	6.9	0.3	2.4	10.8	4.50
2011	23		South Dakota State	SUMT	NCAA					3.00	3.64		13			1		84.0	81	34	28		25		84					1.262	8.7		2.7	9.0	3.36
2011	23	1.3	Burlington	MIDW	A	OAK	1	1	.500	3.67	4.33	18	0	12	0	0	2	27.0	20	13	11	1	7	0	29	1	0	2	110	1.000	6.7	0.3	2.3	9.7	4.14
2011	23	2.1	Athletics	ARIZ	Rk	OAK	0	0		0.00	0.00	3	0	2	0	0	0	3.0	3	0	0	0	1	0	7	0	0	0	13	1.333	9.0	0.0	3.0	21.0	7.00
2012	24	0.8	Stockton	CALL	A+	OAK	7	7	.500	4.37	5.24	24	15	1	1	0	0	103.0	116	60	50	11	23	0	92	4	0	5	448	1.350	10.1	1.0	2.0	8.0	4.00
2013	25		2 Teams	2 Lgs	AA-A-	WSN	6	7	.462	3.47	3.90	23	22	0	0	0	0	124.2	126	54	48	9	33	2	93	4	1	8	524	1.275	9.1	0.6	2.4	6.7	2.82
2013	25	0.4	Harrisburg	EL	AA	WSN	6	7	.462	3.64	4.10	21	20	0	0	0	0	118.2	125	54	48	9	33	2	86	4	1	8	506	1.331	9.5	0.7	2.5	6.5	2.61
2013	25	3.7	Auburn	NYPL	A-	WSN	0	0		0.00	0.00	2	2	0	0	0	0	6.0	1	0	0	0	0	0	7	0	0	0	18	0.167	1.5	0.0	0.0	10.5
2014	26	-0.9	Syracuse	IL	AAA	WSN	8	2	.800	3.35	3.79	16	16	0	0	0	0	80.2	78	34	30	4	20	0	64	4	0	2	339	1.215	8.7	0.4	2.2	7.1	3.20
2014	26	-2.5	WSN	NL	Maj	WSN	2	3	.400	2.49	3.02	15	7	6	0	0	0	50.2	57	17	14	1	13	1	30	2	0	1	214	1.382	10.1	0.2	2.3	5.3	2.31
2015	27	0.0	Syracuse	IL	AAA	WSN	0	0		0.00	0.00	5	0	3	0	0	0	12.0	6	0	0	0	1	0	14	0	0	3	43	0.583	4.5	0.0	0.8	10.5	14.00
2015	27	-1.4	WSN	NL	Maj	WSN	2	5	.286	3.86	4.26	60	0	17	0	0	0	67.2	62	32	29	4	32	6	65	2	0	4	280	1.389	8.2	0.5	4.3	8.6	2.03
2016	28	-0.1	WSN	NL	Maj	WSN	4	1	.800	2.28	2.55	73	0	17	0	0	1	67.0	51	19	17	5	31	6	63	0	0	1	263	1.224	6.9	0.7	4.2	8.5	2.03
2017	29		2 Teams	2 Lgs	Maj	WSN	3	6	.333	3.93	4.16	72	0	35	0	0	16	75.2	80	35	33	6	25	3	74	5	0	4	325	1.388	9.5	0.7	3.0	8.8	2.96
2017	29	0.4	OAK	AL	Maj	OAK	3	4	.429	2.13	2.61	35	0	24	0	0	13	38.0	32	11	9	3	12	2	42	2	0	3	156	1.158	7.6	0.7	2.8	9.9	3.50
2017	29	0.6	WSN	NL	Maj	WSN	0	2	.000	5.73	5.73	37	0	11	0	0	3	37.2	48	24	24	3	13	1	32	3	0	1	169	1.619	11.5	0.7	3.1	7.6	2.46
2018	30	1.4	OAK	AL	Maj	OAK	9	2	.818	0.78	1.34	68	0	58	0	0	38	80.1	46	12	7	2	21	3	100	1	0	6	315	0.834	5.2	0.2	2.4	11.2	4.76
2019	31	4.3	Las Vegas	PCL	AAA	OAK	1	0	1.000	27.00	27.00	1	0	0	0	0	0	1.0	4	3	3	2	0	0	0	0	0	0	6	4.000	36.0	18.0	0.0	0.0
2019	31	2.6	OAK	AL	Maj	OAK	6	5	.545	4.91	5.06	57	0	35	0	0	16	58.2	58	33	32	9	37	1	59	1	0	1	266	1.619	8.9	1.4	5.7	9.1	1.59
2020	32	3.6	LAD	NL	Maj	LAD	3	3	.500	3.86	5.26	27	0	3	0	0	1	25.2	23	15	11	1	8	1	22	2	0	2	107	1.208	8.1	0.4	2.8	7.7	2.75
2021	33	4.1	LAD	NL	Maj	LAD	6	5	.545	1.99	2.49	72	0	10	0	0	7	72.1	46	20	16	5	25	1	85	3	0	3	286	0.982	5.7	0.6	3.1	10.6	3.40
2022	34	6.8	Oklahoma City	PCL	AAA	LAD	0	0		4.50	7.50	7	0	0	0	0	0	6.0	8	5	3	0	1	1	9	1	0	1	30	1.500	12.0	0.0	1.5	13.5	9.00
2022	34	4.8	LAD	NL	Maj	LAD	1	1	.500	1.80	1.80	5	0	1	0	0	0	5.0	1	1	1	1	1	0	6	0	0	0	17	0.400	1.8	1.8	1.8	10.8	6.00
2023	35		2 Teams	2 Lgs	AAA-Rk	LAD	0	1	.000	11.57	11.57	3	1	0	0	0	0	2.1	2	3	3	0	1	0	2	1	0	1	11	1.286	7.7	0.0	3.9	7.7	2.00
2023	35	7.7	Oklahoma City	PCL	AAA	LAD	0	1	.000	20.25	20.25	2	0	0	0	0	0	1.1	2	3	3	0	1	0	0	1	0	1	8	2.250	13.5	0.0	6.8	0.0	0.00
2023	35	13.7	Dodgers	ACL	Rk	LAD	0	0		0.00	0.00	1	1	0	0	0	0	1.0	0	0	0	0	0	0	2	0	0	0	3	0.000	0.0	0.0	0.0	18.0
2024	36		2 Teams	2 Lgs	AAA-AA	LAD	0	0		8.44	8.44	6	1	0	0	0	0	5.1	8	5	5	0	0	0	9	0	0	0	23	1.500	13.5	0.0	0.0	15.2
2024	36	8.5	Oklahoma City	PCL	AAA	LAD	0	0		10.38	10.38	5	1	0	0	0	0	4.1	8	5	5	0	0	0	6	0	0	0	20	1.846	16.6	0.0	0.0	12.5
2024	36	11.7	Tulsa	TL	AA	LAD	0	0		0.00	0.00	1	0	0	0	0	0	1.0	0	0	0	0	0	0	3	0	0	0	3	0.000	0.0	0.0	0.0	27.0
2024	36	6.9	LAD	NL	Maj	LAD	7	3	.700	1.93	2.12	50	0	6	0	0	1	46.2	33	11	10	5	11	0	56	2	0	1	184	0.943	6.4	1.0	2.1	10.8	5.09
2025	37		2 Teams	2 Lgs	AAA-Rk	LAD	0	0		1.29	2.57	7	1	0	0	0	0	7.0	1	2	1	1	1	0	10	0	0	0	24	0.286	1.3	1.3	1.3	12.9	10.00
2025	37	9.9	Oklahoma City	PCL	AAA	LAD	0	0		0.00	1.50	6	1	0	0	0	0	6.0	0	1	0	0	1	0	9	0	0	0	20	0.167	0.0	0.0	1.5	13.5	9.00
2025	37	15.9	Dodgers	ACL	Rk	LAD	0	0		9.00	9.00	1	0	0	0	0	0	1.0	1	1	1	1	0	0	1	0	0	0	4	1.000	9.0	9.0	0.0	9.0
2025	37	7.9	LAD	NL	Maj	LAD	2	7	.222	5.40	6.08	32	0	9	0	0	2	26.2	30	18	16	4	19	4	36	2	0	1	129	1.838	10.1	1.4	6.4	12.2	1.89
2026	38	8.7	LAD	NL	Maj	LAD	4	1	.800	3.52	3.52	29	0	5	0	0	1	23.0	21	9	9	2	10	2	25	1	0	0	100	1.348	8.2	0.8	3.9	9.8	2.50
Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
Majors (12 seasons)					Majors		49	42	.538	2.93	3.33	560	7	202	0	0	83	599.1	508	222	195	45	233	28	621	21	0	24	2486	1.236	7.6	0.7	3.5	9.3	2.67
Minors (10 seasons)					Minors		23	18	.561	3.73	4.33	113	56	18	1	0	2	372.0	372	179	154	28	88	3	329	15	1	22	1571	1.237	9.0	0.7	2.1	8.0	3.74
College (1 season)					College					3.00	3.64		13			1		84.0	81	34	28		25		84					1.262	8.7		2.7	9.0	3.36
All Levels (16 Seasons)							72	60		3.22	3.71	673	76	220	1	1	85	1055.1	961	435	377	73	346	31	1034	36	1	46	4057	1.238	8.2		3.0	8.8	2.99

AAA (7 seasons)					Minors		9	3	.750	3.56	4.12	42	18	3	0	0	0	111.1	106	51	44	6	24	1	102	6	0	7	466	1.168	8.6	0.5	1.9	8.2	4.25
AA (2 seasons)					Minors		6	7	.462	3.61	4.06	22	20	0	0	0	0	119.2	125	54	48	9	33	2	89	4	1	8	509	1.320	9.4	0.7	2.5	6.7	2.70
A+ (1 season)					Minors		7	7	.500	4.37	5.24	24	15	1	1	0	0	103.0	116	60	50	11	23	0	92	4	0	5	448	1.350	10.1	1.0	2.0	8.0	4.00
A (1 season)					Minors		1	1	.500	3.67	4.33	18	0	12	0	0	2	27.0	20	13	11	1	7	0	29	1	0	2	110	1.000	6.7	0.3	2.3	9.7	4.14
A- (1 season)					Minors		0	0		0.00	0.00	2	2	0	0	0	0	6.0	1	0	0	0	0	0	7	0	0	0	18	0.167	1.5	0.0	0.0	10.5
Rk (3 seasons)					Minors		0	0		1.80	1.80	5	1	2	0	0	0	5.0	4	1	1	1	1	0	10	0	0	0	20	1.000	7.2	1.8	1.8	18.0	10.00