Pitching

Zack Konstantinovsky

Washington Nationals (A)

P

Age: 21

Class: SO (RS)

Bats/Throws: R/R

6'2" / 210

DOB: 5/19/2005

(21 years, 4 months, 23 days)

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Minor LeaguesCollege

Season	Team	Level	Age	W	L	SV	G	GS	IP	divider	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	divider	vFA	divider	ERA	xERA	FIP	xFIP	WAR
2024	RUTG	NCAA	19	0	3	0	8	8	34.0		9.79	2.12	0.26	.413	57.8%						5.29		3.08
2026	RUTG	NCAA	21	4	5	0	15	15	70.2		10.57	2.80	1.27	.374	65.2%						5.48		4.35
2026	WSN	A	21	1	0	0	4	1	6.0		12.00	0.00	0.00	.250	100.0%	27.3%	0.0%				0.00		0.99	2.16

Season	Team	Level	Age	W	L	SV	G	GS	IP	divider	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	divider	vFA	divider	ERA	xERA	FIP	xFIP	WAR
2024	RUTG	NCAA	19	0	3	0	8	8	34.0		9.79	2.12	0.26	.413	57.8%						5.29		3.08
2026	RUTG	NCAA	21	4	5	0	15	15	70.2		10.57	2.80	1.27	.374	65.2%						5.48		4.35
2026	WSN	A	21	1	0	0	4	1	6.0		12.00	0.00	0.00	.250	100.0%	27.3%	0.0%				0.00		0.99	2.16

Minor LeaguesCollege

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
2024	RUTG	NCAA	0	3	5.29	8	8		0	0	0			34.0	153	44	24	20	1	8		3	2	0	37
2026	RUTG	NCAA	4	5	5.48	15	15		0	0	0			70.2	306	80	46	43	10	22		4	0	1	83
2026	WSN	A	1	0	0.00	4	1		0	0	0	0	0	6.0	20	3	0	0	0	0	0	0	0	0	8

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
2024	RUTG	NCAA	0	3	5.29	8	8		0	0	0			34.0	153	44	24	20	1	8		3	2	0	37
2026	RUTG	NCAA	4	5	5.48	15	15		0	0	0			70.2	306	80	46	43	10	22		4	0	1	83
2026	WSN	A	1	0	0.00	4	1		0	0	0	0	0	6.0	20	3	0	0	0	0	0	0	0	0	8

Minor LeaguesAveragesCollege

Season	Team	Level	K/9	BB/9	K/BB	HR/9	divider	K%	BB%	K-BB%	divider	AVG	WHIP	BABIP	LOB%	divider	ERA-	FIP-	divider	FIP
2024	RUTG	NCAA	9.79	2.12	4.63	0.26		24.2%	5.2%	19.0%		.310	1.53	.413	57.8%					3.08
2026	RUTG	NCAA	10.57	2.80	3.77	1.27		27.1%	7.2%	19.9%		.286	1.44	.374	65.2%					4.35
2026	WSN	A	12.00	0.00	8.00	0.00		40.0%	0.0%	40.0%		.150	0.50	.250	100.0%		0	21		0.99

Season	Team	Level	K/9	BB/9	K/BB	HR/9	divider	K%	BB%	K-BB%	divider	AVG	WHIP	BABIP	LOB%	divider	ERA-	FIP-	divider	FIP
2024	RUTG	NCAA	9.79	2.12	4.63	0.26		24.2%	5.2%	19.0%		.310	1.53	.413	57.8%					3.08
2026	RUTG	NCAA	10.57	2.80	3.77	1.27		27.1%	7.2%	19.9%		.286	1.44	.374	65.2%					4.35
2026	WSN	A	12.00	0.00	8.00	0.00		40.0%	0.0%	40.0%		.150	0.50	.250	100.0%		0	21		0.99