Adam Kloffenstein

Position: Starting Pitcher

Bats: Right • Throws: Right

6-5, 245lb (196cm, 111kg)

Born: August 25, 2000 in Magnolia, TX us

Draft: Drafted by the Toronto Blue Jays in the 3rd round of the 2018 MLB June Amateur Draft from Magnolia HS (Magnolia, TX).

High School: Magnolia HS (Magnolia, TX)

Rookie Status: Still Intact through 2026

2026 Contract Status: Not Updated

Full Name: Adam Kloffenstein

Pronunciation: \klof-en-steen\

Instagram: @a.kloff

View Player Info from the B-R Bullpen

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SUMMARY

Career

WAR

0.1

ERA

0.00

1.0

WHIP

0.000

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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
2018	17	-3.4	Blue Jays	GULF	Rk	TOR	0	0		0.00	0.00	2	2	0	0	0	0	2.0	1	0	0	0	2	0	4	0	0	0	9	1.500	4.5	0.0	9.0	18.0	2.00
2019	18	-3.3	Vancouver	NORW	A-	TOR	4	4	.500	2.24	3.22	13	13	0	0	0	0	64.1	47	23	16	4	23	0	64	4	0	5	259	1.088	6.6	0.6	3.2	9.0	2.78
2020	19		2 Teams	CEL	Ind		0	2	.000	4.64	5.06	9	5		0	0	0	21.1	20	12	11	3	12		20	1	0	2	96	1.500	8.4	1.3	5.1	8.4	1.67
2020	19	-8.7	Texas	CEL	Ind		0	2	.000	4.58	5.09	7	5		0	0	0	17.2	14	10	9	2	8		18	0	0	1	75	1.245	7.1	1.0	4.1	9.2	2.25
2020	19	-8.7	Sugar Land	CEL	Ind		0	0		4.91	4.91	2	0		0	0	0	3.2	6	2	2	1	4		2	1	0	1	21	2.727	14.7	2.5	9.8	4.9	0.50
2021	20	-3.2	Vancouver	HAW	A+	TOR	7	7	.500	6.22	6.75	23	23	0	0	0	0	101.1	96	76	70	10	61	0	107	7	4	17	466	1.549	8.5	0.9	5.4	9.5	1.75
2022	21		2 Teams	2 Lgs	AA-A+	TOR	2	7	.222	5.54	5.95	25	24	0	0	0	0	112.0	126	74	69	16	55	0	118	11	0	8	513	1.616	10.1	1.3	4.4	9.5	2.15
2022	21	-3.5	New Hampshire	EL	AA	TOR	2	5	.286	6.07	6.38	19	18	0	0	0	0	86.0	98	61	58	12	45	0	88	9	0	7	397	1.663	10.3	1.3	4.7	9.2	1.96
2022	21	-2.2	Vancouver	NORW	A+	TOR	0	2	.000	3.81	4.50	6	6	0	0	0	0	26.0	28	13	11	4	10	0	30	2	0	1	116	1.462	9.7	1.4	3.5	10.4	3.00
2023	22		2 Teams	2 Lgs	AA-AAA	TOR	7	6	.538	3.16	3.87	26	25	0	1	0	0	128.0	108	55	45	14	55	1	140	12	0	10	545	1.273	7.6	1.0	3.9	9.8	2.55
2023	22	-4.9	Memphis	IL	AAA	STL	2	1	.667	3.00	3.00	9	8	0	0	0	0	39.0	29	13	13	6	21	0	35	5	0	3	165	1.282	6.7	1.4	4.8	8.1	1.67
2023	22	-2.4	New Hampshire	EL	AA	TOR	5	5	.500	3.24	4.25	17	17	0	1	0	0	89.0	79	42	32	8	34	1	105	7	0	7	380	1.270	8.0	0.8	3.4	10.6	3.09
2024	23	-4.0	Memphis	IL	AAA	STL	4	5	.444	4.74	4.74	17	17	0	0	0	0	89.1	78	47	47	13	41	0	73	9	0	6	376	1.332	7.9	1.3	4.1	7.4	1.78
2024	23	-6.1	STL	NL	Maj	STL	0	0		0.00	0.00	1	0	0	0	0	0	1.0	0	0	0	0	0	0	0	0	0	0	3	0.000	0.0	0.0	0.0	0.0
2025	24		3 Teams	3 Lgs	AAA-Rk-A	TOR	2	9	.182	5.66	6.65	21	18	3	0	0	1	90.2	98	67	57	20	46	0	103	7	2	10	415	1.588	9.7	2.0	4.6	10.2	2.24
2025	24	-3.3	Buffalo	IL	AAA	TOR	2	8	.200	6.26	6.91	19	16	3	0	0	1	82.0	88	63	57	20	44	0	90	6	2	7	377	1.610	9.7	2.2	4.8	9.9	2.05
2025	24	2.0	Dunedin	FLOR	A	TOR	0	0		0.00	6.75	1	1	0	0	0	0	4.0	5	3	0	0	1	0	5	1	0	2	20	1.500	11.3	0.0	2.3	11.3	5.00
2025	24	3.1	Blue Jays	FCL	Rk	TOR	0	1	.000	0.00	1.93	1	1	0	0	0	0	4.2	5	1	0	0	1	0	8	0	0	1	18	1.286	9.6	0.0	1.9	15.4	8.00
2026	25	-2.3	Scranton/Wilkes-Barre	IL	AAA	NYY	2	5	.286	5.00	5.94	15	15	0	0	0	0	66.2	56	44	37	12	38	0	59	9	1	3	299	1.410	7.6	1.6	5.1	8.0	1.55
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 (1 season)					Majors		0	0		0.00	0.00	1	0	0	0	0	0	1.0	0	0	0	0	0	0	0	0	0	0	3	0.000	0.0	0.0	0.0	0.0
Minors (8 seasons)					Minors		28	43	.394	4.69	5.31	142	137	3	1	0	1	654.1	610	386	341	89	321	1	668	59	7	59	2882	1.423	8.4	1.2	4.4	9.2	2.08
Other (1 season)					Other		0	2	.000	4.64	5.06	9	5		0	0	0	21.1	20	12	11	3	12		20	1	0	2	96	1.500	8.4	1.3	5.1	8.4	1.67
All Levels (9 Seasons)							28	45	.384	4.68	5.29	152	142	3	1	0	1	676.2	630	398	352	92	333	1	688	60	7	61	2981	1.423	8.4	1.2	4.4	9.2	2.07

AAA (4 seasons)					Minors		10	19	.345	5.00	5.43	60	56	3	0	0	1	277.0	251	167	154	51	144	0	257	29	3	19	1217	1.426	8.2	1.7	4.7	8.4	1.78
AA (2 seasons)					Minors		7	10	.412	4.63	5.30	36	35	0	1	0	0	175.0	177	103	90	20	79	1	193	16	0	14	777	1.463	9.1	1.0	4.1	9.9	2.44
A+ (2 seasons)					Minors		7	9	.438	5.73	6.29	29	29	0	0	0	0	127.1	124	89	81	14	71	0	137	9	4	18	582	1.531	8.8	1.0	5.0	9.7	1.93
A (1 season)					Minors		0	0		0.00	6.75	1	1	0	0	0	0	4.0	5	3	0	0	1	0	5	1	0	2	20	1.500	11.3	0.0	2.3	11.3	5.00
A- (1 season)					Minors		4	4	.500	2.24	3.22	13	13	0	0	0	0	64.1	47	23	16	4	23	0	64	4	0	5	259	1.088	6.6	0.6	3.2	9.0	2.78
Rk (2 seasons)					Minors		0	1	.000	0.00	1.35	3	3	0	0	0	0	6.2	6	1	0	0	3	0	12	0	0	1	27	1.350	8.1	0.0	4.1	16.2	4.00