Pitching

J.J. Niekro

(A+)

Age: 28

Bats/Throws: R/R

6'0" / 185

DOB: 1/28/1998

(28 years, 8 months, 29 days)

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Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	Age	W	L	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	FIP	xFIP	WAR
2021	ATL	CPX	23	2	0	10	0	16.1	12.67	4.96	0.00	.383	40.7%	45.2%	0.0%	2.76	2.99	4.21
2022	ATL	A	24	7	1	15	8	73.1	9.45	2.09	0.74	.283	84.3%	51.3%	10.7%	2.09	3.55	3.39
2022	ATL	A+	24	3	2	9	9	48.0	6.94	3.00	0.94	.329	66.1%	51.4%	11.6%	4.88	4.53	4.50
2022	ATL	MiLB	24	10	3	24	17	121.1	8.46	2.45	0.82	.303	75.6%	51.4%	11.1%	3.19	3.94	3.83
2023	ATL	A+	25	4	4	31	7	84.2	7.97	3.83	1.17	.342	68.9%	44.5%	13.1%	4.89	5.07	4.77
2024	ATL	AA	26	1	4	8	8	40.1	8.03	3.12	0.67	.310	64.9%	46.9%	7.3%	4.02	3.53	3.69
2024	ATL	ST	26	0	0	1	0	1.1	13.50	0.00	0.00	.000	100.0%	100.0%	0.0%	0.00	0.74	0.74
2025	ATL	CPX	27	0	0	3	1	6.1	11.37	2.84	0.00	.438	55.6%	62.5%	0.0%	5.68	1.99	2.12
2025	ATL	A+	27	0	1	3	0	6.1	9.95	9.95	1.42	.286	66.0%	28.6%	16.7%	7.11	6.55	5.52
2025	ATL	MiLB	27	0	1	6	1	12.2	10.66	6.39	0.71	.367	61.2%	46.7%	14.3%	6.39	4.27	3.82
2026	Steamer	PROJ	28	0	0	1	0	1.0	6.79	3.74	1.29	.301	70.6%	43.3%		4.84	4.85	4.77	0.0
2026	OOPSY	PROJ	28	0	0	1	1	3.3	5.56	4.17	1.34	.291	64.3%			5.50	5.38		0.0

Season	Team	Level	Age	W	L	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	FIP	xFIP	WAR
2021	ATL	CPX	23	2	0	10	0	16.1	12.67	4.96	0.00	.383	40.7%	45.2%	0.0%	2.76	2.99	4.21
2022	ATL	A	24	7	1	15	8	73.1	9.45	2.09	0.74	.283	84.3%	51.3%	10.7%	2.09	3.55	3.39
2022	ATL	A+	24	3	2	9	9	48.0	6.94	3.00	0.94	.329	66.1%	51.4%	11.6%	4.88	4.53	4.50
2022	ATL	MiLB	24	10	3	24	17	121.1	8.46	2.45	0.82	.303	75.6%	51.4%	11.1%	3.19	3.94	3.83
2023	ATL	A+	25	4	4	31	7	84.2	7.97	3.83	1.17	.342	68.9%	44.5%	13.1%	4.89	5.07	4.77
2024	ATL	AA	26	1	4	8	8	40.1	8.03	3.12	0.67	.310	64.9%	46.9%	7.3%	4.02	3.53	3.69
2024	ATL	ST	26	0	0	1	0	1.1	13.50	0.00	0.00	.000	100.0%	100.0%	0.0%	0.00	0.74	0.74
2025	ATL	CPX	27	0	0	3	1	6.1	11.37	2.84	0.00	.438	55.6%	62.5%	0.0%	5.68	1.99	2.12
2025	ATL	A+	27	0	1	3	0	6.1	9.95	9.95	1.42	.286	66.0%	28.6%	16.7%	7.11	6.55	5.52
2025	ATL	MiLB	27	0	1	6	1	12.2	10.66	6.39	0.71	.367	61.2%	46.7%	14.3%	6.39	4.27	3.82
2026	Steamer	PROJ	28	0	0	1	0	1.0	6.79	3.74	1.29	.301	70.6%	43.3%		4.84	4.85	4.77	0.0
2026	OOPSY	PROJ	28	0	0	1	1	3.3	5.56	4.17	1.34	.291	64.3%			5.50	5.38		0.0

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	HLD	BS	IP	TBF	H	R	ER	HR	BB	HBP	WP	BK	SO
2021	ATL	CPX	2	0	2.76	10	0		0	0	0	0	16.1	79	18	16	5	0	9	0	3	1	23
2022	ATL	A	7	1	2.09	15	8		0	0	0	0	73.1	285	58	19	17	6	17	1	4	1	77
2022	ATL	A+	3	2	4.88	9	9		0	0	0	0	48.0	202	52	28	26	5	16	1	5	0	37
2022	ATL	MiLB	10	3	3.19	24	17		0	0	0	0	121.1	487	110	47	43	11	33	2	9	1	114
2023	ATL	A+	4	4	4.89	31	7		0	0	4	1	84.2	366	93	52	46	11	36	4	9	0	75
2024	ATL	AA	1	4	4.02	8	8		0	0	0	0	40.1	166	38	21	18	3	14	0	0	1	36
2024	ATL	ST	0	0	0.00	1	0		0	0	0	0	1.1	4	0	0	0	0	0	0	0	0	2
2025	ATL	CPX	0	0	5.68	3	1		0	0	0	0	6.1	26	7	4	4	0	2	0	0	0	8
2025	ATL	A+	0	1	7.11	3	0		0	0	0	0	6.1	29	5	5	5	1	7	0	1	0	7
2025	ATL	MiLB	0	1	6.39	6	1		0	0	0	0	12.2	55	12	9	9	1	9	0	1	0	15
2026	Steamer	PROJ	0	0	4.84	1	0	0	0	0	0		1.0	4	1	1	1	0	0	0			1
2026	OOPSY	PROJ	0	0	5.50	1	1	0			0		3.3	14	3	2	2	0	2	0			2

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	HLD	BS	IP	TBF	H	R	ER	HR	BB	HBP	WP	BK	SO
2021	ATL	CPX	2	0	2.76	10	0		0	0	0	0	16.1	79	18	16	5	0	9	0	3	1	23
2022	ATL	A	7	1	2.09	15	8		0	0	0	0	73.1	285	58	19	17	6	17	1	4	1	77
2022	ATL	A+	3	2	4.88	9	9		0	0	0	0	48.0	202	52	28	26	5	16	1	5	0	37
2022	ATL	MiLB	10	3	3.19	24	17		0	0	0	0	121.1	487	110	47	43	11	33	2	9	1	114
2023	ATL	A+	4	4	4.89	31	7		0	0	4	1	84.2	366	93	52	46	11	36	4	9	0	75
2024	ATL	AA	1	4	4.02	8	8		0	0	0	0	40.1	166	38	21	18	3	14	0	0	1	36
2024	ATL	ST	0	0	0.00	1	0		0	0	0	0	1.1	4	0	0	0	0	0	0	0	0	2
2025	ATL	CPX	0	0	5.68	3	1		0	0	0	0	6.1	26	7	4	4	0	2	0	0	0	8
2025	ATL	A+	0	1	7.11	3	0		0	0	0	0	6.1	29	5	5	5	1	7	0	1	0	7
2025	ATL	MiLB	0	1	6.39	6	1		0	0	0	0	12.2	55	12	9	9	1	9	0	1	0	15
2026	Steamer	PROJ	0	0	4.84	1	0	0	0	0	0		1.0	4	1	1	1	0	0	0			1
2026	OOPSY	PROJ	0	0	5.50	1	1	0			0		3.3	14	3	2	2	0	2	0			2

Preseason ProjectionsMinor LeaguesSpring TrainingAverages

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2021	ATL	CPX	12.67	4.96	2.56	0.00	29.1%	11.4%	17.7%	.257	1.65	.383	40.7%	58	64	2.99
2022	ATL	A	9.45	2.09	4.53	0.74	27.0%	6.0%	21.1%	.217	1.02	.283	84.3%	48	80	3.55
2022	ATL	A+	6.94	3.00	2.31	0.94	18.3%	7.9%	10.4%	.281	1.42	.329	66.1%	118	109	4.53
2022	ATL	MiLB	8.46	2.45	3.45	0.82	23.4%	6.8%	16.6%	.243	1.18	.303	75.6%	75	91	3.94
2023	ATL	A+	7.97	3.83	2.08	1.17	20.5%	9.8%	10.7%	.285	1.52	.342	68.9%	119	123	5.07
2024	ATL	AA	8.03	3.12	2.57	0.67	21.7%	8.4%	13.3%	.250	1.29	.310	64.9%	119	104	3.53
2024	ATL	ST	13.50	0.00	2.00	0.00	50.0%	0.0%	50.0%	.000	0.00	.000	100.0%	0	17	0.74
2025	ATL	CPX	11.37	2.84	4.00	0.00	30.8%	7.7%	23.1%	.292	1.42	.438	55.6%	134	48	1.99
2025	ATL	A+	9.95	9.95	1.00	1.42	24.1%	24.1%	0.0%	.227	1.89	.286	66.0%	198	182	6.55
2025	ATL	MiLB	10.66	6.39	1.67	0.71	27.3%	16.4%	10.9%	.261	1.66	.367	61.2%	166	115	4.27
2026	Steamer	PROJ	6.79	3.74	1.81	1.29	17.1%	9.4%	7.6%	.269	1.48	.301	70.6%			4.85
2026	OOPSY	PROJ	5.56	4.17	1.33	1.34	14.3%	10.8%	3.6%	.271	1.49	.291	64.3%			5.38

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2021	ATL	CPX	12.67	4.96	2.56	0.00	29.1%	11.4%	17.7%	.257	1.65	.383	40.7%	58	64	2.99
2022	ATL	A	9.45	2.09	4.53	0.74	27.0%	6.0%	21.1%	.217	1.02	.283	84.3%	48	80	3.55
2022	ATL	A+	6.94	3.00	2.31	0.94	18.3%	7.9%	10.4%	.281	1.42	.329	66.1%	118	109	4.53
2022	ATL	MiLB	8.46	2.45	3.45	0.82	23.4%	6.8%	16.6%	.243	1.18	.303	75.6%	75	91	3.94
2023	ATL	A+	7.97	3.83	2.08	1.17	20.5%	9.8%	10.7%	.285	1.52	.342	68.9%	119	123	5.07
2024	ATL	AA	8.03	3.12	2.57	0.67	21.7%	8.4%	13.3%	.250	1.29	.310	64.9%	119	104	3.53
2024	ATL	ST	13.50	0.00	2.00	0.00	50.0%	0.0%	50.0%	.000	0.00	.000	100.0%	0	17	0.74
2025	ATL	CPX	11.37	2.84	4.00	0.00	30.8%	7.7%	23.1%	.292	1.42	.438	55.6%	134	48	1.99
2025	ATL	A+	9.95	9.95	1.00	1.42	24.1%	24.1%	0.0%	.227	1.89	.286	66.0%	198	182	6.55
2025	ATL	MiLB	10.66	6.39	1.67	0.71	27.3%	16.4%	10.9%	.261	1.66	.367	61.2%	166	115	4.27
2026	Steamer	PROJ	6.79	3.74	1.81	1.29	17.1%	9.4%	7.6%	.269	1.48	.301	70.6%			4.85
2026	OOPSY	PROJ	5.56	4.17	1.33	1.34	14.3%	10.8%	3.6%	.271	1.49	.291	64.3%			5.38

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2021	ATL	CPX	1.06	11.9%	45.2%	42.9%	16.7%	0.0%	43.8%	22.9%	33.3%	87	4.21
2022	ATL	A	1.71	18.7%	51.3%	29.9%	16.1%	10.7%	44.7%	24.2%	31.1%	77	3.39
2022	ATL	A+	1.74	19.2%	51.4%	29.5%	9.3%	11.6%	48.0%	21.6%	30.4%	101	4.50
2022	ATL	MiLB	1.73	18.9%	51.4%	29.7%	13.1%	11.1%	46.2%	23.1%	30.8%	86	3.83
2023	ATL	A+	1.31	21.5%	44.5%	34.0%	19.0%	13.1%	47.4%	21.5%	31.1%	107	4.77
2024	ATL	AA	1.29	16.8%	46.9%	36.3%	24.4%	7.3%	39.3%	21.4%	39.3%	100	3.69
2024	ATL	ST	2.00	0.0%	100.0%	0.0%	0.0%	0.0%	100.0%	0.0%	0.0%	16	0.74
2025	ATL	CPX	10.00	31.3%	62.5%	6.3%	0.0%	0.0%	56.3%	37.5%	6.3%	49	2.12
2025	ATL	A+	0.67	28.6%	28.6%	42.9%	33.3%	16.7%	40.0%	26.7%	33.3%	142	5.52
2025	ATL	MiLB	2.00	30.0%	46.7%	23.3%	28.6%	14.3%	48.4%	32.3%	19.4%	96	3.82
2026	Steamer	PROJ		20.7%	43.3%	36.0%							4.77

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2021	ATL	CPX	1.06	11.9%	45.2%	42.9%	16.7%	0.0%	43.8%	22.9%	33.3%	87	4.21
2022	ATL	A	1.71	18.7%	51.3%	29.9%	16.1%	10.7%	44.7%	24.2%	31.1%	77	3.39
2022	ATL	A+	1.74	19.2%	51.4%	29.5%	9.3%	11.6%	48.0%	21.6%	30.4%	101	4.50
2022	ATL	MiLB	1.73	18.9%	51.4%	29.7%	13.1%	11.1%	46.2%	23.1%	30.8%	86	3.83
2023	ATL	A+	1.31	21.5%	44.5%	34.0%	19.0%	13.1%	47.4%	21.5%	31.1%	107	4.77
2024	ATL	AA	1.29	16.8%	46.9%	36.3%	24.4%	7.3%	39.3%	21.4%	39.3%	100	3.69
2024	ATL	ST	2.00	0.0%	100.0%	0.0%	0.0%	0.0%	100.0%	0.0%	0.0%	16	0.74
2025	ATL	CPX	10.00	31.3%	62.5%	6.3%	0.0%	0.0%	56.3%	37.5%	6.3%	49	2.12
2025	ATL	A+	0.67	28.6%	28.6%	42.9%	33.3%	16.7%	40.0%	26.7%	33.3%	142	5.52
2025	ATL	MiLB	2.00	30.0%	46.7%	23.3%	28.6%	14.3%	48.4%	32.3%	19.4%	96	3.82
2026	Steamer	PROJ		20.7%	43.3%	36.0%							4.77

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches
2021	ATL	CPX	19	18	5	3	44	118	162
2022	ATL	A	96	56	35	9	396	698	1094
2022	ATL	A+	75	43	28	4	304	443	747
2022	ATL	MiLB	171	99	63	13	700	1141	1841
2023	ATL	A+	110	84	53	16	558	864	1422
2024	ATL	AA	53	41	19	10	234	392	626
2024	ATL	ST	2	0	0	0	0	7	7
2025	ATL	CPX	10	1	5	0	36	60	96
2025	ATL	A+	4	6	4	2	58	58	116
2025	ATL	MiLB	14	7	9	2	94	118	212
2026	Steamer	PROJ	1	1	1

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches
2021	ATL	CPX	19	18	5	3	44	118	162
2022	ATL	A	96	56	35	9	396	698	1094
2022	ATL	A+	75	43	28	4	304	443	747
2022	ATL	MiLB	171	99	63	13	700	1141	1841
2023	ATL	A+	110	84	53	16	558	864	1422
2024	ATL	AA	53	41	19	10	234	392	626
2024	ATL	ST	2	0	0	0	0	7	7
2025	ATL	CPX	10	1	5	0	36	60	96
2025	ATL	A+	4	6	4	2	58	58	116
2025	ATL	MiLB	14	7	9	2	94	118	212
2026	Steamer	PROJ	1	1	1

MLB F-Strike%, SwStr%, CStr%, CSW% are from the Sports Info Solution data source.
All MiLB and Pace data are from Statcast.

Preseason ProjectionsMinor LeaguesSpring TrainingAverages

Season	Team	Level	Swing%	Contact%	F-Strike%	SwStr%	CStr%	CSW%
2021	ATL	CPX	62.3%	46.5%	30.4%	33.3%	10.5%	43.8%
2022	ATL	A	48.3%	71.2%	48.8%	13.9%	15.0%	28.9%
2022	ATL	A+	43.6%	74.2%	45.5%	11.2%	15.3%	26.5%
2022	ATL	MiLB	46.4%	72.4%	47.4%	12.8%	15.1%	27.9%
2023	ATL	A+	47.5%	71.9%	48.1%	13.4%	12.9%	26.2%
2024	ATL	AA	49.0%	75.9%	51.2%	11.8%	13.1%	24.9%
2024	ATL	ST	57.1%	50.0%	50.0%	28.6%	42.9%	71.4%
2025	ATL	CPX	47.9%	69.6%	42.3%	14.6%	14.6%	29.2%
2025	ATL	A+	44.8%	75.0%	27.6%	11.2%	5.2%	16.4%
2025	ATL	MiLB	46.2%	72.4%	34.5%	12.7%	9.4%	22.2%

Season	Team	Level	Swing%	Contact%	F-Strike%	SwStr%	CStr%	CSW%
2021	ATL	CPX	62.3%	46.5%	30.4%	33.3%	10.5%	43.8%
2022	ATL	A	48.3%	71.2%	48.8%	13.9%	15.0%	28.9%
2022	ATL	A+	43.6%	74.2%	45.5%	11.2%	15.3%	26.5%
2022	ATL	MiLB	46.4%	72.4%	47.4%	12.8%	15.1%	27.9%
2023	ATL	A+	47.5%	71.9%	48.1%	13.4%	12.9%	26.2%
2024	ATL	AA	49.0%	75.9%	51.2%	11.8%	13.1%	24.9%
2024	ATL	ST	57.1%	50.0%	50.0%	28.6%	42.9%	71.4%
2025	ATL	CPX	47.9%	69.6%	42.3%	14.6%	14.6%	29.2%
2025	ATL	A+	44.8%	75.0%	27.6%	11.2%	5.2%	16.4%
2025	ATL	MiLB	46.2%	72.4%	34.5%	12.7%	9.4%	22.2%

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2021	ATL	CPX	P	10	0	16.1	0	0	1	0
2022	ATL	A	P	15	8	73.1	9	9	0	0
2022	ATL	A+	P	9	9	48.0	4	3	1	1
2023	ATL	A+	P	31	7	84.2	3	13	1	1
2024	ATL	AA	P	8	8	40.1	2	6	0	0
2025	ATL	CPX	P	3	1	6.1	1	2	0	1
2025	ATL	A+	P	3	0	6.1	0	1	0	0

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2021	ATL	CPX	P	10	0	16.1	0	0	1	0
2022	ATL	A	P	15	8	73.1	9	9	0	0
2022	ATL	A+	P	9	9	48.0	4	3	1	1
2023	ATL	A+	P	31	7	84.2	3	13	1	1
2024	ATL	AA	P	8	8	40.1	2	6	0	0
2025	ATL	CPX	P	3	1	6.1	1	2	0	1
2025	ATL	A+	P	3	0	6.1	0	1	0	0

J.J. Niekro

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Fielding

BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG