Spencer Giesting

Prospect Rankings

CSV

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year

source

type

team

rank

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2025

Baseball America

Team

Arizona Diamondbacks

28

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2025

MLB Pipeline

Team

Arizona Diamondbacks

18

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2 record(s)

Pitching Statistics

CSV

Glossary

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MLB Stats

Minor League Stats

College Stats

Yearly Summary

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year	team name	league	level	mlb	#	age	tbc+	w	l	era	g	gs	cg	sho	gr	gf	sv	ip	h	r	er	hr	bb	so	wp	bk	hb	whip	h9	hr9	bb9	so9	ra9	so/bb
2021	UNC Charlotte	ConfUSA	NCAA-1	Fr	54	19	109	3	3	5.47	27	4	1	0	23	0	1	52.2	49	36	32	11	35	73	5	0	4	1.59	8.37	1.88	5.98	12.47	6.15	2.09
2022	UNC Charlotte	ConfUSA	NCAA-1	So	54	20	123	7	4	3.72	21	6	0	0	15	0	0	75.0	59	34	31	8	42	105	6	1	3	1.35	7.08	0.96	5.04	12.60	4.08	2.50
2022	ACL Diamondbacks	ACL	Rk	ARI	24	20		0	0	13.50	2	0	0	0	2	0	0	2.0	3	3	3	1	2	3	0	0	0	2.50	13.50	4.50	9.00	13.50	13.50	1.50
2022	Visalia Rawhide	Cal2	A	ARI	25	20	108*	0	1	6.08	7	4	0	0	3	1	0	13.1	11	9	9	2	8	16	0	0	0	1.43	7.43	1.35	5.40	10.80	6.08	2.00
2023	Hillsboro Hops	Nwst2	A+	ARI	20	21	98	7	6	4.00	24	24	0	0	0	0	0	117.0	100	58	52	9	71	124	12	0	7	1.46	7.69	0.69	5.46	9.54	4.46	1.75
2024	Hillsboro Hops	Nwst2	A+	ARI	20	22	139	5	3	1.50	10	10	0	0	0	0	0	60.0	39	13	10	2	13	67	1	0	3	0.87	5.85	0.30	1.95	10.05	1.95	5.15
2024	Amarillo Sod Poodles	Tex2	AA	ARI	15	22	96	4	7	4.65	15	15	0	0	0	0	0	81.1	84	45	42	10	31	87	2	0	7	1.41	9.30	1.11	3.43	9.63	4.98	2.81
2025	Amarillo Sod Poodles	Tex2	AA	ARI	15	23	105	3	2	3.67	10	10	0	0	0	0	0	56.1	53	27	23	6	19	59	3	0	3	1.28	8.47	0.96	3.04	9.43	4.31	3.11
2025	Reno Aces	PCL2	AAA	ARI	37	23	91	5	7	6.47	17	17	0	0	0	0	0	79.1	89	60	57	12	45	72	3	0	10	1.69	10.10	1.36	5.11	8.17	6.81	1.60
2026	ACL Diamondbacks	ACL	Rk	ARI		24	187*	0	1	2.70	2	0	0	0	2	0	0	3.1	3	2	1	0	0	7	1	0	0	0.90	8.10	0.00	0.00	18.90	5.40	0.00
2026	Reno Aces	PCL2	AAA	ARI		24	135*	2	2	4.93	25	1	0	0	24	4	0	42.0	44	24	23	4	26	53	3	0	3	1.67	9.43	0.86	5.57	11.36	5.14	2.04
Tot:	Minors (5 yrs)		Minors					26	29	4.35	112	81	0	0	31	5	0	454.2	426	241	220	46	215	488	25	0	33	1.41	8.43	0.91	4.26	9.66	4.77	2.27
Tot:	Rk (2 yrs)		Rk					0	1	6.75	4	0	0	0	4	0	0	5.1	6	5	4	1	2	10	1	0	0	1.50	10.13	1.69	3.38	16.88	8.44	5.00
Tot:	A (1 yrs)		A					0	1	6.08	7	4	0	0	3	1	0	13.1	11	9	9	2	8	16	0	0	0	1.43	7.43	1.35	5.40	10.80	6.08	2.00
Tot:	A+ (2 yrs)		A+					12	9	3.15	34	34	0	0	0	0	0	177.0	139	71	62	11	84	191	13	0	10	1.26	7.07	0.56	4.27	9.71	3.61	2.27
Tot:	AA (2 yrs)		AA					7	9	4.25	25	25	0	0	0	0	0	137.2	137	72	65	16	50	146	5	0	10	1.36	8.96	1.05	3.27	9.54	4.71	2.92
Tot:	AAA (2 yrs)		AAA					7	9	5.93	42	18	0	0	24	4	0	121.1	133	84	80	16	71	125	6	0	13	1.68	9.87	1.19	5.27	9.27	6.23	1.76
Tot:	College (2 yrs)		College					10	7	4.44	48	10	1	0	38	0	1	127.2	108	70	63	19	77	178	11	1	7	1.45	7.61	1.34	5.43	12.55	4.93	2.31
Avg:	Minors - 162 Inning avg		Minors					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒
Avg:	College - 162 Inning avg		College					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒

Other Pitching Statistics

CSV

Glossary

TBC PREMIUM Subscribers get access to additional grid functionality such as pre-defined filters, manual removal of rows and quick player comparison! Full feature list.

year	team name	league	category	age	w	l	era	g	gs	cg	sho	gr	gf	sv	ip	h	r	er	hr	bb	so	wp	bk	hb	whip	h9	hr9	bb9	so9	ra9	so/bb
2021	Harwich Mariners	Cape Cod League	College Summer	19	1	1	4.79	6	3	0	0	3	0	0	20.2	19	12	11	1	16	22	3	0	2	1.69	8.27	0.44	6.97	9.58	5.23	1.38
2025	Arizona Diamondbacks	MLB Spring Training	Spring	23	0	0	6.00	2	0	0	0	2	0	0	3.0	3	2	2	2	1	3	0	0	0	1.33	9.00	6.00	3.00	9.00	6.00	3.00
Tot:	CollegeSummer (1 Yrs)		CollegeSummer		1	1	4.79	6	3	0	0	0	3	0	20.2	19	12	11	1	16	22	3	0	2	1.69	8.27	0.44	6.97	9.58	5.23	1.38
Tot:	Spring (1 Yrs)		Spring		0	0	6.00	2	0	0	0	0	2	0	3.0	3	2	2	2	1	3	0	0	0	1.33	9.00	6.00	3.00	9.00	6.00	3.00

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Strikeouts	Walks	Hittable	SO/BB	vs Power	Durability	Team Success
69	41	58	54	58	81	.656

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