Mark Leiter Jr.

Position: Pitcher

Bats: Right • Throws: Right

6-0, 210lb (183cm, 95kg)

Team: Chicago Cubs (majors)

Born: March 13, 1991 in Fort Lauderdale, FL us

Draft: Drafted by the Philadelphia Phillies in the 22nd round of the 2013 MLB June Amateur Draft from New Jersey Institute of Technology (Newark, NJ).

High School: Toms River North HS (Toms River, NJ)

School: New Jersey Institute of Technology (Newark, NJ)

Rookie Status: Exceeded rookie limits during 2017 season

2023 Contract Status: Signed thru 2023, 1 yr/$850k (23)

Service Time (01/2023): 2.031 • Arb Eligible: 2024 • Free Agent: 2027

Full Name: Mark Edward Leiter

Nicknames: Junior

Pronunciation: \LIE-turr\

Twitter: @Leiter_Jr

View Player Info from the B-R Bullpen

Relatives: Nephew of Al Leiter; Son of Mark Leiter

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SUMMARY

2023

Career

WAR

0.9

0.3

ERA

1.69

4.61

103

21.1

203.0

211

WHIP

0.844

1.296

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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	20	-0.5	New Jersey Tech	GWC	NCAA		5	3	.625	4.76	5.46	15	13			0	0	90.2	90	55	48		53		103					1.577	8.9		5.3	10.2	1.94
2012	21	0.4	New Jersey Tech	GWC	NCAA		5	7	.417	3.65	4.71	14	14			1	0	93.2	95	49	38	0	43		95	0	0	0	0	1.473	9.1	0.0	4.1	9.1	2.21
2013	22	1.2	New Jersey Tech	GWC	NCAA		5	9	.357	4.94	5.42	15	15			1	0	94.2	92	57	52	4	42		106	11	0	12	424	1.415	8.7	0.4	4.0	10.1	2.52
2013	22		3 Teams	3 Lgs	Rk-A-A+	PHI	4	0	1.000	1.20	1.40	16	4	3	0	0	0	45.0	34	7	6	1	13	0	50	1	0	3	180	1.044	6.8	0.2	2.6	10.0	3.85
2013	22	-1.2	Clearwater	FLOR	A+	PHI	1	0	1.000	3.00	4.50	2	1	1	0	0	0	6.0	6	3	2	1	1	0	4	0	0	0	25	1.167	9.0	1.5	1.5	6.0	4.00
2013	22	0.3	Lakewood	SALL	A	PHI	2	0	1.000	0.00	0.00	3	3	0	0	0	0	16.0	11	0	0	0	5	0	20	0	0	0	63	1.000	6.2	0.0	2.8	11.3	4.00
2013	22	1.5	Phillies	GULF	Rk	PHI	1	0	1.000	1.57	1.57	11	0	2	0	0	0	23.0	17	4	4	0	7	0	26	1	0	3	92	1.043	6.7	0.0	2.7	10.2	3.71
2014	23		2 Teams	2 Lgs	A-A+	PHI	9	12	.429	4.35	4.95	27	27	0	1	1	0	149.0	160	82	72	10	37	0	141	9	0	7	641	1.322	9.7	0.6	2.2	8.5	3.81
2014	23	-0.2	Clearwater	FLOR	A+	PHI	4	5	.444	4.31	4.73	11	11	0	1	1	0	64.2	69	34	31	5	15	0	56	4	0	3	275	1.299	9.6	0.7	2.1	7.8	3.73
2014	23	1.3	Lakewood	SALL	A	PHI	5	7	.417	4.38	5.12	16	16	0	0	0	0	84.1	91	48	41	5	22	0	85	5	0	4	366	1.340	9.7	0.5	2.3	9.1	3.86
2015	24		2 Teams	2 Lgs	A+-AA	PHI	8	7	.533	3.09	3.41	27	21	2	2	0	1	142.2	135	54	49	7	34	1	121	9	0	5	590	1.185	8.5	0.4	2.1	7.6	3.56
2015	24	-0.6	Reading	EL	AA	PHI	2	6	.250	4.79	4.98	8	8	0	1	0	0	47.0	56	26	25	3	11	1	38	3	0	0	204	1.426	10.7	0.6	2.1	7.3	3.45
2015	24	1.0	Clearwater	FLOR	A+	PHI	6	1	.857	2.26	2.63	19	13	2	1	0	1	95.2	79	28	24	4	23	0	83	6	0	5	386	1.066	7.4	0.4	2.2	7.8	3.61
2016	25	0.5	Reading	EL	AA	PHI	6	3	.667	3.39	3.91	23	17	4	0	0	1	103.2	91	45	39	9	30	0	94	6	0	7	424	1.167	7.9	0.8	2.6	8.2	3.13
2017	26	-0.4	Lehigh Valley	IL	AAA	PHI	2	1	.667	4.20	4.50	7	5	0	0	0	0	30.0	27	15	14	5	6	0	38	1	0	2	124	1.100	8.1	1.5	1.8	11.4	6.33
2017	26	-2.4	PHI	NL	Maj	PHI	3	6	.333	4.96	5.86	27	11	5	0	0	0	90.2	90	59	50	18	31	2	84	7	0	3	395	1.335	8.9	1.8	3.1	8.3	2.71
2018	27		2 Teams	2 Lgs	AAA-A+	PHI	3	1	.750	3.24	4.05	23	0	5	0	0	0	33.1	29	15	12	3	14	1	39	2	0	3	144	1.290	7.8	0.8	3.8	10.5	2.79
2018	27		2 Teams	2 Lgs	Maj	PHI	0	1	.000	7.71	10.80	20	0	4	0	0	0	23.1	35	28	20	7	12	3	22	2	0	2	123	2.014	13.5	2.7	4.6	8.5	1.83
2018	27	0.8	Lehigh Valley	IL	AAA	PHI	3	1	.750	3.81	4.76	20	0	4	0	0	0	28.1	28	15	12	3	13	1	30	2	0	3	127	1.447	8.9	1.0	4.1	9.5	2.31
2018	27	4.0	Clearwater	FLOR	A+	PHI	0	0		0.00	0.00	3	0	1	0	0	0	5.0	1	0	0	0	1	0	9	0	0	0	17	0.400	1.8	0.0	1.8	16.2	9.00
2018	27	-1.2	PHI	NL	Maj	PHI	0	1	.000	5.40	9.18	12	0	2	0	0	0	16.2	22	17	10	5	8	2	13	1	0	0	84	1.800	11.9	2.7	4.3	7.0	1.63
2018	27	-1.6	TOR	AL	Maj	TOR	0	0		13.50	14.85	8	0	2	0	0	0	6.2	13	11	10	2	4	1	9	1	0	2	39	2.550	17.6	2.7	5.4	12.2	2.25

2021	30		2 Teams	2 Lgs	AAA-AA	DET	10	8	.556	3.77	4.16	25	19	2	0	0	0	114.2	92	53	48	14	31	0	145	10	0	7	472	1.073	7.2	1.1	2.4	11.4	4.68
2021	30	3.0	Toledo	AAAE	AAA	DET	8	4	.667	3.34	3.84	17	15	0	0	0	0	89.0	67	38	33	10	23	0	110	8	0	5	361	1.011	6.8	1.0	2.3	11.1	4.78
2021	30	5.3	Erie	AANE	AA	DET	2	4	.333	5.26	5.26	8	4	2	0	0	0	25.2	25	15	15	4	8	0	35	2	0	2	111	1.286	8.8	1.4	2.8	12.3	4.38
2022	31	4.0	Iowa	IL	AAA	CHC	0	3	.000	5.32	5.32	6	6	0	0	0	0	22.0	21	13	13	4	6	0	32	1	0	1	94	1.227	8.6	1.6	2.5	13.1	5.33
2022	31	1.8	CHC	NL	Maj	CHC	2	7	.222	3.99	4.26	35	4	11	0	0	3	67.2	52	32	30	10	25	2	73	7	0	5	282	1.138	6.9	1.3	3.3	9.7	2.92
2023	32	2.6	CHC	NL	Maj	CHC	1	0	1.000	1.69	2.11	21	0	6	0	0	2	21.1	12	5	4	1	6	0	32	3	1	1	84	0.844	5.1	0.4	2.5	13.5	5.33
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 (4 seasons)					Majors		6	14	.300	4.61	5.50	103	15	26	0	0	5	203.0	189	124	104	36	74	7	211	19	1	11	884	1.296	8.4	1.6	3.3	9.4	2.85
Minors (8 seasons)					Minors		42	35	.545	3.56	3.99	154	99	16	3	1	2	640.1	589	284	253	53	171	2	660	39	0	35	2669	1.187	8.3	0.7	2.4	9.3	3.86
College (3 seasons)					College		15	19	.441	4.45	5.19	44	42			2	0	279.0	277	161	138	4	138		304	11	0	12	424	1.487	8.9		4.5	9.8	2.20
All Levels (11 Seasons)							63	68	.481	3.97	4.56	301	156	42	3	3	7	1122.1	1055	569	495	93	383	9	1175	69	1	58	3977	1.281	8.5		3.1	9.4	3.07

AAA (4 seasons)					Minors		13	9	.591	3.83	4.31	50	26	4	0	0	0	169.1	143	81	72	22	48	1	210	12	0	11	706	1.128	7.6	1.2	2.6	11.2	4.38
AA (3 seasons)					Minors		10	13	.435	4.03	4.39	39	29	6	1	0	1	176.1	172	86	79	16	49	1	167	11	0	9	739	1.253	8.8	0.8	2.5	8.5	3.41
A+ (4 seasons)					Minors		11	6	.647	2.99	3.41	35	25	4	2	1	1	171.1	155	65	57	10	40	0	152	10	0	8	703	1.138	8.1	0.5	2.1	8.0	3.80
A (2 seasons)					Minors		7	7	.500	3.68	4.31	19	19	0	0	0	0	100.1	102	48	41	5	27	0	105	5	0	4	429	1.286	9.1	0.4	2.4	9.4	3.89
Rk (1 season)					Minors		1	0	1.000	1.57	1.57	11	0	2	0	0	0	23.0	17	4	4	0	7	0	26	1	0	3	92	1.043	6.7	0.0	2.7	10.2	3.71