Aaron Haase

Detroit Tigers (A+)

Age: 24

Bats/Throws: R/R

5'8" / 193

DOB: 5/24/2000

(24 years, 11 months, 8 days)

Stats

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingCollege

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	ERA ERA - Earned Run Average ((ER*9)/IP)	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2021	WICH	NCAA	21	2	1	8	18	25.1	8.53	0.71	0.36	.215	76.9%			1.78	2.06
2021	DET	CPX	21	0	0	0	3	3.0	18.00	9.00	0.00	.500	42.9%	33.3%	0.0%	12.00	4.15	4.52
2021	DET	A	21	0	0	0	3	4.0	9.00	4.50	2.25	.111	38.5%	10.0%	16.7%	6.75	6.55	5.36
2021	DET	MiLB	21	0	0	0	6	7.0	12.86	6.43	1.29	.267	41.7%	18.8%	14.3%	9.00	5.52	5.00
2022	DET	A	22	2	1	5	26	34.0	13.50	3.71	1.59	.304	83.3%	49.3%	33.3%	2.65	4.14	2.56
2022	DET	A+	22	0	0	0	1	1.0	9.00	18.00	0.00	.333	33.3%	66.7%	0.0%	18.00	7.48	7.48
2022	DET	MiLB	22	2	1	5	27	35.0	13.37	4.11	1.54	.306	79.2%	50.0%	33.3%	3.09	4.23	2.70
2022	DET	ST	22	0	0	1	1	1.0	9.00	9.00	0.00	.333	100.0%	0.0%	0.0%	0.00	4.66	8.87
2023	DET	A	23	0	0	2	5	7.1	9.82	1.23	0.00	.125	66.7%	31.3%	0.0%	1.23	2.03	3.53
2023	DET	A+	23	1	1	0	10	16.2	9.72	2.70	1.62	.385	63.0%	49.1%	15.8%	5.94	4.58	3.49
2023	DET	MiLB	23	1	1	2	15	24.0	9.75	2.25	1.13	.324	63.4%	45.1%	10.7%	4.50	3.80	3.51
2025	Steamer	PROJ	25	0	0	0	1	1.0	6.56	4.97	1.20	.294	70.7%	42.4%		5.02	5.23	5.28	0.0
2025	OOPSY	PROJ	25	0	0	0	1	1.4	7.19	3.93	1.22	.293	68.1%			4.82	4.78		0.0
2025	Steamer	ROS		0	0	0	1	1.0	6.43	5.20	1.16	.295	70.6%			5.07	5.18		0.0

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	ERA ERA - Earned Run Average ((ER*9)/IP)	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2021	WICH	NCAA	21	2	1	8	18	25.1	8.53	0.71	0.36	.215	76.9%			1.78	2.06
2021	DET	CPX	21	0	0	0	3	3.0	18.00	9.00	0.00	.500	42.9%	33.3%	0.0%	12.00	4.15	4.52
2021	DET	A	21	0	0	0	3	4.0	9.00	4.50	2.25	.111	38.5%	10.0%	16.7%	6.75	6.55	5.36
2021	DET	MiLB	21	0	0	0	6	7.0	12.86	6.43	1.29	.267	41.7%	18.8%	14.3%	9.00	5.52	5.00
2022	DET	A	22	2	1	5	26	34.0	13.50	3.71	1.59	.304	83.3%	49.3%	33.3%	2.65	4.14	2.56
2022	DET	A+	22	0	0	0	1	1.0	9.00	18.00	0.00	.333	33.3%	66.7%	0.0%	18.00	7.48	7.48
2022	DET	MiLB	22	2	1	5	27	35.0	13.37	4.11	1.54	.306	79.2%	50.0%	33.3%	3.09	4.23	2.70
2022	DET	ST	22	0	0	1	1	1.0	9.00	9.00	0.00	.333	100.0%	0.0%	0.0%	0.00	4.66	8.87
2023	DET	A	23	0	0	2	5	7.1	9.82	1.23	0.00	.125	66.7%	31.3%	0.0%	1.23	2.03	3.53
2023	DET	A+	23	1	1	0	10	16.2	9.72	2.70	1.62	.385	63.0%	49.1%	15.8%	5.94	4.58	3.49
2023	DET	MiLB	23	1	1	2	15	24.0	9.75	2.25	1.13	.324	63.4%	45.1%	10.7%	4.50	3.80	3.51
2025	Steamer	PROJ	25	0	0	0	1	1.0	6.56	4.97	1.20	.294	70.7%	42.4%		5.02	5.23	5.28	0.0
2025	OOPSY	PROJ	25	0	0	0	1	1.4	7.19	3.93	1.22	.293	68.1%			4.82	4.78		0.0
2025	Steamer	ROS		0	0	0	1	1.0	6.43	5.20	1.16	.295	70.6%			5.07	5.18		0.0

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingCollege

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	QS	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2021	WICH	NCAA	2	1	1.78	18		0	0	8			25.1	92	15	5	5	1	2		0	1	0	24
2021	DET	CPX	0	0	12.00	3		0	0	0	0	0	3.0	16	3	4	4	0	3	0	1	1	0	6
2021	DET	A	0	0	6.75	3		0	0	0	0	0	4.0	16	2	3	3	1	2	0	0	0	0	4
2021	DET	MiLB	0	0	9.00	6		0	0	0	0	0	7.0	32	5	7	7	1	5	0	1	1	0	10
2022	DET	A	2	1	2.65	26		0	0	5	1	1	34.0	141	27	14	10	6	14	0	1	1	0	51
2022	DET	A+	0	0	18.00	1		0	0	0	0	0	1.0	6	1	2	2	0	2	0	0	0	0	1
2022	DET	MiLB	2	1	3.09	27		0	0	5	1	1	35.0	147	28	16	12	6	16	0	1	1	0	52
2022	DET	ST	0	0	0.00	1		0	0	1	0	0	1.0	5	1	0	0	0	1	0	0	0	0	1
2023	DET	A	0	0	1.23	5		0	0	2	0	0	7.1	25	2	1	1	0	1	0	0	1	1	8
2023	DET	A+	1	1	5.94	10		0	0	0	0	1	16.2	78	23	13	11	3	5	0	0	1	1	18
2023	DET	MiLB	1	1	4.50	15		0	0	2	0	1	24.0	103	25	14	12	3	6	0	0	2	2	26
2025	Steamer	PROJ	0	0	5.02	1	0	0	0	0	0		1.0	5	1	1	1	0	1	0	0			1
2025	OOPSY	PROJ	0	0	4.82	1	0			0	0		1.4	6	1	1	1	0	1	0	0			1
2025	Steamer	ROS	0	0	5.07	1	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	QS	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2021	WICH	NCAA	2	1	1.78	18		0	0	8			25.1	92	15	5	5	1	2		0	1	0	24
2021	DET	CPX	0	0	12.00	3		0	0	0	0	0	3.0	16	3	4	4	0	3	0	1	1	0	6
2021	DET	A	0	0	6.75	3		0	0	0	0	0	4.0	16	2	3	3	1	2	0	0	0	0	4
2021	DET	MiLB	0	0	9.00	6		0	0	0	0	0	7.0	32	5	7	7	1	5	0	1	1	0	10
2022	DET	A	2	1	2.65	26		0	0	5	1	1	34.0	141	27	14	10	6	14	0	1	1	0	51
2022	DET	A+	0	0	18.00	1		0	0	0	0	0	1.0	6	1	2	2	0	2	0	0	0	0	1
2022	DET	MiLB	2	1	3.09	27		0	0	5	1	1	35.0	147	28	16	12	6	16	0	1	1	0	52
2022	DET	ST	0	0	0.00	1		0	0	1	0	0	1.0	5	1	0	0	0	1	0	0	0	0	1
2023	DET	A	0	0	1.23	5		0	0	2	0	0	7.1	25	2	1	1	0	1	0	0	1	1	8
2023	DET	A+	1	1	5.94	10		0	0	0	0	1	16.2	78	23	13	11	3	5	0	0	1	1	18
2023	DET	MiLB	1	1	4.50	15		0	0	2	0	1	24.0	103	25	14	12	3	6	0	0	2	2	26
2025	Steamer	PROJ	0	0	5.02	1	0	0	0	0	0		1.0	5	1	1	1	0	1	0	0			1
2025	OOPSY	PROJ	0	0	4.82	1	0			0	0		1.4	6	1	1	1	0	1	0	0			1
2025	Steamer	ROS	0	0	5.07	1	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingAveragesCollege

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2021	WICH	NCAA	8.53	0.71	12.00	0.36	26.1%	2.2%	23.9%	.167	0.67	.215	76.9%			2.06
2021	DET	CPX	18.00	9.00	2.00	0.00	37.5%	18.8%	18.8%	.250	2.00	.500	42.9%	254	85	4.15
2021	DET	A	9.00	4.50	2.00	2.25	25.0%	12.5%	12.5%	.143	1.00	.111	38.5%	150	145	6.55
2021	DET	MiLB	12.86	6.43	2.00	1.29	31.3%	15.6%	15.6%	.192	1.43	.267	41.7%	195	119	5.52
2022	DET	A	13.50	3.71	3.64	1.59	36.2%	9.9%	26.2%	.214	1.21	.304	83.3%	68	105	4.14
2022	DET	A+	9.00	18.00	0.50	0.00	16.7%	33.3%	-16.7%	.250	3.00	.333	33.3%	454	183	7.48
2022	DET	MiLB	13.37	4.11	3.25	1.54	35.4%	10.9%	24.5%	.215	1.26	.306	79.2%	79	108	4.23
2022	DET	ST	9.00	9.00	1.00	0.00	20.0%	20.0%	0.0%	.250	2.00	.333	100.0%	0	92	4.66
2023	DET	A	9.82	1.23	8.00	0.00	32.0%	4.0%	28.0%	.083	0.41	.125	66.7%	27	44	2.03
2023	DET	A+	9.72	2.70	3.60	1.62	23.1%	6.4%	16.7%	.315	1.68	.385	63.0%	153	114	4.58
2023	DET	MiLB	9.75	2.25	4.33	1.13	25.2%	5.8%	19.4%	.258	1.29	.324	63.4%	114	93	3.80
2025	Steamer	PROJ	6.56	4.97	1.32	1.20	16.1%	12.2%	3.9%	.264	1.59	.294	70.7%			5.23
2025	OOPSY	PROJ	7.19	3.93	1.83	1.22	18.4%	10.1%	8.4%	.257	1.43	.293	68.1%			4.78
2025	Steamer	ROS	6.43	5.20	1.24	1.16	15.6%	12.7%	3.0%	.265	1.62	.295	70.6%			5.18

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2021	WICH	NCAA	8.53	0.71	12.00	0.36	26.1%	2.2%	23.9%	.167	0.67	.215	76.9%			2.06
2021	DET	CPX	18.00	9.00	2.00	0.00	37.5%	18.8%	18.8%	.250	2.00	.500	42.9%	254	85	4.15
2021	DET	A	9.00	4.50	2.00	2.25	25.0%	12.5%	12.5%	.143	1.00	.111	38.5%	150	145	6.55
2021	DET	MiLB	12.86	6.43	2.00	1.29	31.3%	15.6%	15.6%	.192	1.43	.267	41.7%	195	119	5.52
2022	DET	A	13.50	3.71	3.64	1.59	36.2%	9.9%	26.2%	.214	1.21	.304	83.3%	68	105	4.14
2022	DET	A+	9.00	18.00	0.50	0.00	16.7%	33.3%	-16.7%	.250	3.00	.333	33.3%	454	183	7.48
2022	DET	MiLB	13.37	4.11	3.25	1.54	35.4%	10.9%	24.5%	.215	1.26	.306	79.2%	79	108	4.23
2022	DET	ST	9.00	9.00	1.00	0.00	20.0%	20.0%	0.0%	.250	2.00	.333	100.0%	0	92	4.66
2023	DET	A	9.82	1.23	8.00	0.00	32.0%	4.0%	28.0%	.083	0.41	.125	66.7%	27	44	2.03
2023	DET	A+	9.72	2.70	3.60	1.62	23.1%	6.4%	16.7%	.315	1.68	.385	63.0%	153	114	4.58
2023	DET	MiLB	9.75	2.25	4.33	1.13	25.2%	5.8%	19.4%	.258	1.29	.324	63.4%	114	93	3.80
2025	Steamer	PROJ	6.56	4.97	1.32	1.20	16.1%	12.2%	3.9%	.264	1.59	.294	70.7%			5.23
2025	OOPSY	PROJ	7.19	3.93	1.83	1.22	18.4%	10.1%	8.4%	.257	1.43	.293	68.1%			4.78
2025	Steamer	ROS	6.43	5.20	1.24	1.16	15.6%	12.7%	3.0%	.265	1.62	.295	70.6%			5.18

Aaron Haase

Stats

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Advanced

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