Jonathan Aro

Free Agent (AAA)

Age: 33

Bats/Throws: R/R

6'0" / 172

DOB: 10/10/1990

(33 years, 9 months, 13 days)

Stats

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingRegular MLB Seasons

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	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	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	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
2011	BOS	R	20	2	2	0	9	6	47.0	7.28	0.77	0.19	.274	58.5%	37.0%	1.4%		3.06		2.37	2.58
2012	BOS	R	21	3	4	0	11	4	38.2	7.91	2.09	0.93	.353	68.2%	42.7%	9.3%		4.66		3.72	2.91
2013	BOS	A-	22	5	3	3	15	1	54.2	8.07	1.98	0.33	.273	74.3%	52.0%	4.3%		2.14		2.55	2.59
2014	BOS	A	23	1	3	7	25	0	67.1	9.89	2.94	0.40	.278	68.2%	46.1%	5.0%		2.27		3.04	3.25
2014	BOS	A+	23	2	0	1	7	1	20.0	10.80	3.15	0.45	.244	75.3%	34.9%	3.7%		1.80		2.97	3.37
2015	BOS	AA	24	3	2	0	8	0	22.1	7.66	3.22	0.00	.227	50.0%	36.7%	0.0%		2.82		2.78	3.75
2015	BOS	AAA	24	0	1	2	26	0	51.2	9.23	1.74	0.35	.297	72.0%	37.1%	3.7%		3.14		2.42	2.84
2015	BOS Red Sox (ST)	ST	24	0	0	0	2	0	2.0	9.00	0.00	0.00	.000	100.0%	0.0%	0.0%		0.00		1.59	4.10
2015	BOS Red Sox	MLB	24	0	1	0	6	0	10.1	6.97	3.48	1.74	.371	67.9%	16.2%	10.0%	93.5	6.97	6.36	5.26	5.60	-0.1
2016	SEA	AAA	25	3	2	1	24	1	36.1	6.19	2.48	0.50	.250	71.8%	34.0%	4.1%		2.48		3.89	4.79
2016	SEA Mariners (ST)	ST	25	0	0	1	6	0	6.1	9.95	2.84	1.42	.400	37.7%	33.3%	12.5%		8.53		5.00	4.96
2016	SEA Mariners	MLB	25	0	0	0	1	0	0.2	0.00	13.50	0.00	.333	100.0%	33.3%	0.0%	93.8	0.00	1.91	7.65	12.64	0.0
2017	SEA	AAA	26	6	1	0	25	1	42.2	10.13	2.32	1.05	.255	75.0%	30.1%	9.8%		3.16		3.84	3.94
2017	SEA Mariners (ST)	ST	26	0	1	0	10	0	12.1	8.03	0.73	1.46	.419	54.9%	36.4%	14.3%		6.57		4.22	3.96
2018	SDP	AAA	27	2	3	2	38	0	44.0	7.36	3.89	0.61	.289	73.9%	38.2%	5.8%		3.68		4.56	5.22
2018	SDP Padres (ST)	ST	27	0	0	3	9	0	9.0	11.00	2.00	3.00	.333	76.9%	25.0%	23.1%		6.00		6.17	4.28
2019	ATL	AA	28	3	3	1	22	2	44.1	6.29	1.83	0.41	.295	65.7%	37.3%	3.6%		3.45		3.16	3.81
2019	ATL	AAA	28	3	0	2	9	0	19.1	4.19	0.00	0.47	.309	69.4%	38.2%	5.6%		3.72		3.52	4.55
2022	LAA	AAA	31	4	7	3	40	7	62.2	7.32	3.02	0.57	.347	56.1%	40.1%	5.8%		6.03		4.30	5.70
2022	LAA Angels (ST)	ST	31	0	0	0	1	0	0.1	0.00	0.00	0.00	.667	50.0%	40.0%	0.0%		54.00		3.66	9.97
2024	Steamer Steamer	PROJ	33	0	0	0	1	0	1.0	6.62	3.32	1.54	.300	69.4%	41.7%			5.19		5.26	5.05	0.0
2024	Steamer Steamer (RoS)	ROS	33	0	0	0	1	0	1.0	6.53	3.13	1.47	.297	69.9%				4.98		5.00		0.0
Total	- - -	MLB		0	1	0	7	0	11.0	6.55	4.09	1.64	.368	71.4%	17.5%	9.1%	93.5	6.55		5.41	6.03	-0.1

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	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	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	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
2011	BOS	R	20	2	2	0	9	6	47.0	7.28	0.77	0.19	.274	58.5%	37.0%	1.4%		3.06		2.37	2.58
2012	BOS	R	21	3	4	0	11	4	38.2	7.91	2.09	0.93	.353	68.2%	42.7%	9.3%		4.66		3.72	2.91
2013	BOS	A-	22	5	3	3	15	1	54.2	8.07	1.98	0.33	.273	74.3%	52.0%	4.3%		2.14		2.55	2.59
2014	BOS	A	23	1	3	7	25	0	67.1	9.89	2.94	0.40	.278	68.2%	46.1%	5.0%		2.27		3.04	3.25
2014	BOS	A+	23	2	0	1	7	1	20.0	10.80	3.15	0.45	.244	75.3%	34.9%	3.7%		1.80		2.97	3.37
2015	BOS	AA	24	3	2	0	8	0	22.1	7.66	3.22	0.00	.227	50.0%	36.7%	0.0%		2.82		2.78	3.75
2015	BOS	AAA	24	0	1	2	26	0	51.2	9.23	1.74	0.35	.297	72.0%	37.1%	3.7%		3.14		2.42	2.84
2015	BOS Red Sox (ST)	ST	24	0	0	0	2	0	2.0	9.00	0.00	0.00	.000	100.0%	0.0%	0.0%		0.00		1.59	4.10
2015	BOS Red Sox	MLB	24	0	1	0	6	0	10.1	6.97	3.48	1.74	.371	67.9%	16.2%	10.0%	93.5	6.97	6.36	5.26	5.60	-0.1
2016	SEA	AAA	25	3	2	1	24	1	36.1	6.19	2.48	0.50	.250	71.8%	34.0%	4.1%		2.48		3.89	4.79
2016	SEA Mariners (ST)	ST	25	0	0	1	6	0	6.1	9.95	2.84	1.42	.400	37.7%	33.3%	12.5%		8.53		5.00	4.96
2016	SEA Mariners	MLB	25	0	0	0	1	0	0.2	0.00	13.50	0.00	.333	100.0%	33.3%	0.0%	93.8	0.00	1.91	7.65	12.64	0.0
2017	SEA	AAA	26	6	1	0	25	1	42.2	10.13	2.32	1.05	.255	75.0%	30.1%	9.8%		3.16		3.84	3.94
2017	SEA Mariners (ST)	ST	26	0	1	0	10	0	12.1	8.03	0.73	1.46	.419	54.9%	36.4%	14.3%		6.57		4.22	3.96
2018	SDP	AAA	27	2	3	2	38	0	44.0	7.36	3.89	0.61	.289	73.9%	38.2%	5.8%		3.68		4.56	5.22
2018	SDP Padres (ST)	ST	27	0	0	3	9	0	9.0	11.00	2.00	3.00	.333	76.9%	25.0%	23.1%		6.00		6.17	4.28
2019	ATL	AA	28	3	3	1	22	2	44.1	6.29	1.83	0.41	.295	65.7%	37.3%	3.6%		3.45		3.16	3.81
2019	ATL	AAA	28	3	0	2	9	0	19.1	4.19	0.00	0.47	.309	69.4%	38.2%	5.6%		3.72		3.52	4.55
2022	LAA	AAA	31	4	7	3	40	7	62.2	7.32	3.02	0.57	.347	56.1%	40.1%	5.8%		6.03		4.30	5.70
2022	LAA Angels (ST)	ST	31	0	0	0	1	0	0.1	0.00	0.00	0.00	.667	50.0%	40.0%	0.0%		54.00		3.66	9.97
2024	Steamer Steamer	PROJ	33	0	0	0	1	0	1.0	6.62	3.32	1.54	.300	69.4%	41.7%			5.19		5.26	5.05	0.0
2024	Steamer Steamer (RoS)	ROS	33	0	0	0	1	0	1.0	6.53	3.13	1.47	.297	69.9%				4.98		5.00		0.0
Total	- - -	MLB		0	1	0	7	0	11.0	6.55	4.09	1.64	.368	71.4%	17.5%	9.1%	93.5	6.55		5.41	6.03	-0.1

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingRegular MLB Seasons

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	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
2011	BOS	R	2	2	3.06	9	6		0	0	0	47.0	195	41	22	16	1	4	0	6	2	0	38
2012	BOS	R	3	4	4.66	11	4		0	1	0	38.2	163	45	21	20	4	9	0	0	5	0	34
2013	BOS	A-	5	3	2.14	15	1		3	0	0	54.2	219	44	17	13	2	12	2	2	1	0	49
2014	BOS	A	1	3	2.27	25	0		7	0	3	67.1	277	52	27	17	3	22	0	2	2	0	74
2014	BOS	A+	2	0	1.80	7	1		1	0	0	20.0	78	12	6	4	1	7	0	1	1	0	24
2015	BOS	AA	3	2	2.82	8	0		0	0	0	22.1	94	15	12	7	0	8	0	1	0	0	19
2015	BOS	AAA	0	1	3.14	26	0		2	5	3	51.2	207	43	18	18	2	10	0	4	0	0	53
2015	BOS Red Sox (ST)	ST	0	0	0.00	2	0		0	1	0	2.0	6	0	0	0	0	0	0	0	0	0	2
2015	BOS Red Sox	MLB	0	1	6.97	6	0	0	0	0	0	10.1	49	15	8	8	2	4	0	0	0	0	8
2016	SEA	AAA	3	2	2.48	24	1		1	2	2	36.1	145	29	13	10	2	10	0	0	1	0	25
2016	SEA Mariners (ST)	ST	0	0	8.53	6	0		1	1	2	6.1	31	9	8	6	1	2	0	1	0	0	7
2016	SEA Mariners	MLB	0	0	0.00	1	0	0	0	1	0	0.2	4	1	0	0	0	1	0	0	0	0	0
2017	SEA	AAA	6	1	3.16	25	1		0	3	1	42.2	167	31	16	15	5	11	0	1	0	0	48
2017	SEA Mariners (ST)	ST	0	1	6.57	10	0		0	2	0	12.1	57	20	11	9	2	1	0	0	1	0	11
2018	SDP	AAA	2	3	3.68	38	0		2	9	3	44.0	183	38	19	18	3	19	0	4	1	0	36
2018	SDP Padres (ST)	ST	0	0	6.00	9	0		3	0	0	9.0	37	10	6	6	3	2	0	0	2	0	11
2019	ATL	AA	3	3	3.45	22	2		1	0	1	44.1	182	43	20	17	2	9	1	1	1	0	31
2019	ATL	AAA	3	0	3.72	9	0		2	1	0	19.1	79	22	8	8	1	0	0	1	0	0	9
2022	LAA	AAA	4	7	6.03	40	7		3	4	2	62.2	283	74	47	42	4	21	0	5	4	0	51
2022	LAA Angels (ST)	ST	0	0	54.00	1	0		0	0	0	0.1	6	4	2	2	0	0	0	0	0	0	0
2024	Steamer Steamer	PROJ	0	0	5.19	1	0		0	0		1.0	4	1	1	1	0	0		0			1
2024	Steamer Steamer (RoS)	ROS	0	0	4.98	1	0		0	0		1.0	4	1	1	1	0	0		0			1
Total	- - -	MLB	0	1	6.55	7	0	0	0	1	0	11.0	53	16	8	8	2	5	0	0	0	0	8

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	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
2011	BOS	R	2	2	3.06	9	6		0	0	0	47.0	195	41	22	16	1	4	0	6	2	0	38
2012	BOS	R	3	4	4.66	11	4		0	1	0	38.2	163	45	21	20	4	9	0	0	5	0	34
2013	BOS	A-	5	3	2.14	15	1		3	0	0	54.2	219	44	17	13	2	12	2	2	1	0	49
2014	BOS	A	1	3	2.27	25	0		7	0	3	67.1	277	52	27	17	3	22	0	2	2	0	74
2014	BOS	A+	2	0	1.80	7	1		1	0	0	20.0	78	12	6	4	1	7	0	1	1	0	24
2015	BOS	AA	3	2	2.82	8	0		0	0	0	22.1	94	15	12	7	0	8	0	1	0	0	19
2015	BOS	AAA	0	1	3.14	26	0		2	5	3	51.2	207	43	18	18	2	10	0	4	0	0	53
2015	BOS Red Sox (ST)	ST	0	0	0.00	2	0		0	1	0	2.0	6	0	0	0	0	0	0	0	0	0	2
2015	BOS Red Sox	MLB	0	1	6.97	6	0	0	0	0	0	10.1	49	15	8	8	2	4	0	0	0	0	8
2016	SEA	AAA	3	2	2.48	24	1		1	2	2	36.1	145	29	13	10	2	10	0	0	1	0	25
2016	SEA Mariners (ST)	ST	0	0	8.53	6	0		1	1	2	6.1	31	9	8	6	1	2	0	1	0	0	7
2016	SEA Mariners	MLB	0	0	0.00	1	0	0	0	1	0	0.2	4	1	0	0	0	1	0	0	0	0	0
2017	SEA	AAA	6	1	3.16	25	1		0	3	1	42.2	167	31	16	15	5	11	0	1	0	0	48
2017	SEA Mariners (ST)	ST	0	1	6.57	10	0		0	2	0	12.1	57	20	11	9	2	1	0	0	1	0	11
2018	SDP	AAA	2	3	3.68	38	0		2	9	3	44.0	183	38	19	18	3	19	0	4	1	0	36
2018	SDP Padres (ST)	ST	0	0	6.00	9	0		3	0	0	9.0	37	10	6	6	3	2	0	0	2	0	11
2019	ATL	AA	3	3	3.45	22	2		1	0	1	44.1	182	43	20	17	2	9	1	1	1	0	31
2019	ATL	AAA	3	0	3.72	9	0		2	1	0	19.1	79	22	8	8	1	0	0	1	0	0	9
2022	LAA	AAA	4	7	6.03	40	7		3	4	2	62.2	283	74	47	42	4	21	0	5	4	0	51
2022	LAA Angels (ST)	ST	0	0	54.00	1	0		0	0	0	0.1	6	4	2	2	0	0	0	0	0	0	0
2024	Steamer Steamer	PROJ	0	0	5.19	1	0		0	0		1.0	4	1	1	1	0	0		0			1
2024	Steamer Steamer (RoS)	ROS	0	0	4.98	1	0		0	0		1.0	4	1	1	1	0	0		0			1
Total	- - -	MLB	0	1	6.55	7	0	0	0	1	0	11.0	53	16	8	8	2	5	0	0	0	0	8

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingRegular MLB SeasonsAverages

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
2011	BOS	R	7.28	0.77	9.50	0.19	19.5%	2.1%	17.4%	.222	0.96	.274	58.5%			2.37
2012	BOS	R	7.91	2.09	3.78	0.93	20.9%	5.5%	15.3%	.292	1.40	.353	68.2%			3.72
2013	BOS	A-	8.07	1.98	4.08	0.33	22.4%	5.5%	16.9%	.215	1.02	.273	74.3%			2.55
2014	BOS	A	9.89	2.94	3.36	0.40	26.7%	7.9%	18.8%	.206	1.10	.278	68.2%			3.04
2014	BOS	A+	10.80	3.15	3.43	0.45	30.8%	9.0%	21.8%	.171	0.95	.244	75.3%			2.97
2015	BOS	AA	7.66	3.22	2.38	0.00	20.2%	8.5%	11.7%	.176	1.03	.227	50.0%			2.78
2015	BOS	AAA	9.23	1.74	5.30	0.35	25.6%	4.8%	20.8%	.223	1.03	.297	72.0%			2.42
2015	BOS Red Sox (ST)	ST	9.00	0.00	2.00	0.00	33.3%	0.0%	33.3%	.000	0.00	.000	100.0%			1.59
2015	BOS Red Sox	MLB	6.97	3.48	2.00	1.74	16.3%	8.2%	8.2%	.333	1.84	.371	67.9%	168	133	5.26
2015	Average		7.76	2.92	2.66	1.02	20.4%	7.7%	12.7%	.251	1.29	.296	72.9%			4.03
2016	SEA	AAA	6.19	2.48	2.50	0.50	17.2%	6.9%	10.3%	.215	1.07	.250	71.8%			3.89
2016	SEA Mariners (ST)	ST	9.95	2.84	3.50	1.42	22.6%	6.5%	16.1%	.321	1.74	.400	37.7%			5.00
2016	SEA Mariners	MLB	0.00	13.50	0.00	0.00	0.0%	25.0%	-25.0%	.333	3.00	.333	100.0%	0	184	7.65
2016	Average		8.10	3.14	2.58	1.17	21.1%	8.2%	12.9%	.252	1.32	.298	72.9%			4.24
2017	SEA	AAA	10.13	2.32	4.36	1.05	28.7%	6.6%	22.2%	.200	0.98	.255	75.0%			3.84
2017	SEA Mariners (ST)	ST	8.03	0.73	11.00	1.46	19.3%	1.8%	17.5%	.357	1.70	.419	54.9%			4.22
2018	SDP	AAA	7.36	3.89	1.89	0.61	19.7%	10.4%	9.3%	.238	1.30	.289	73.9%			4.56
2018	SDP Padres (ST)	ST	11.00	2.00	5.50	3.00	29.7%	5.4%	24.3%	.286	1.33	.333	76.9%			6.17
2019	ATL	AA	6.29	1.83	3.44	0.41	17.0%	4.9%	12.1%	.250	1.17	.295	65.7%			3.16
2019	ATL	AAA	4.19	0.00	9.00	0.47	11.4%	0.0%	11.4%	.282	1.14	.309	69.4%			3.52
2022	LAA	AAA	7.32	3.02	2.43	0.57	18.0%	7.4%	10.6%	.288	1.52	.347	56.1%			4.30
2022	LAA Angels (ST)	ST	0.00	0.00	0.00	0.00	0.0%	0.0%	0.0%	.667	12.00	.667	50.0%			3.66
2024	Steamer Steamer	PROJ	6.62	3.32	1.99	1.54	16.6%	8.4%	8.3%	.275	1.47	.300	69.4%			5.26
2024	Steamer Steamer (RoS)	ROS	6.53	3.13	2.09	1.47	16.6%	7.9%	8.6%	.272	1.43	.297	69.9%			5.00
Total	- - -	MLB	6.55	4.09	1.60	1.64	15.1%	9.4%	5.7%	.333	1.91	.368	71.4%	157	136	5.41

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
2011	BOS	R	7.28	0.77	9.50	0.19	19.5%	2.1%	17.4%	.222	0.96	.274	58.5%			2.37
2012	BOS	R	7.91	2.09	3.78	0.93	20.9%	5.5%	15.3%	.292	1.40	.353	68.2%			3.72
2013	BOS	A-	8.07	1.98	4.08	0.33	22.4%	5.5%	16.9%	.215	1.02	.273	74.3%			2.55
2014	BOS	A	9.89	2.94	3.36	0.40	26.7%	7.9%	18.8%	.206	1.10	.278	68.2%			3.04
2014	BOS	A+	10.80	3.15	3.43	0.45	30.8%	9.0%	21.8%	.171	0.95	.244	75.3%			2.97
2015	BOS	AA	7.66	3.22	2.38	0.00	20.2%	8.5%	11.7%	.176	1.03	.227	50.0%			2.78
2015	BOS	AAA	9.23	1.74	5.30	0.35	25.6%	4.8%	20.8%	.223	1.03	.297	72.0%			2.42
2015	BOS Red Sox (ST)	ST	9.00	0.00	2.00	0.00	33.3%	0.0%	33.3%	.000	0.00	.000	100.0%			1.59
2015	BOS Red Sox	MLB	6.97	3.48	2.00	1.74	16.3%	8.2%	8.2%	.333	1.84	.371	67.9%	168	133	5.26
2015	Average		7.76	2.92	2.66	1.02	20.4%	7.7%	12.7%	.251	1.29	.296	72.9%			4.03
2016	SEA	AAA	6.19	2.48	2.50	0.50	17.2%	6.9%	10.3%	.215	1.07	.250	71.8%			3.89
2016	SEA Mariners (ST)	ST	9.95	2.84	3.50	1.42	22.6%	6.5%	16.1%	.321	1.74	.400	37.7%			5.00
2016	SEA Mariners	MLB	0.00	13.50	0.00	0.00	0.0%	25.0%	-25.0%	.333	3.00	.333	100.0%	0	184	7.65
2016	Average		8.10	3.14	2.58	1.17	21.1%	8.2%	12.9%	.252	1.32	.298	72.9%			4.24
2017	SEA	AAA	10.13	2.32	4.36	1.05	28.7%	6.6%	22.2%	.200	0.98	.255	75.0%			3.84
2017	SEA Mariners (ST)	ST	8.03	0.73	11.00	1.46	19.3%	1.8%	17.5%	.357	1.70	.419	54.9%			4.22
2018	SDP	AAA	7.36	3.89	1.89	0.61	19.7%	10.4%	9.3%	.238	1.30	.289	73.9%			4.56
2018	SDP Padres (ST)	ST	11.00	2.00	5.50	3.00	29.7%	5.4%	24.3%	.286	1.33	.333	76.9%			6.17
2019	ATL	AA	6.29	1.83	3.44	0.41	17.0%	4.9%	12.1%	.250	1.17	.295	65.7%			3.16
2019	ATL	AAA	4.19	0.00	9.00	0.47	11.4%	0.0%	11.4%	.282	1.14	.309	69.4%			3.52
2022	LAA	AAA	7.32	3.02	2.43	0.57	18.0%	7.4%	10.6%	.288	1.52	.347	56.1%			4.30
2022	LAA Angels (ST)	ST	0.00	0.00	0.00	0.00	0.0%	0.0%	0.0%	.667	12.00	.667	50.0%			3.66
2024	Steamer Steamer	PROJ	6.62	3.32	1.99	1.54	16.6%	8.4%	8.3%	.275	1.47	.300	69.4%			5.26
2024	Steamer Steamer (RoS)	ROS	6.53	3.13	2.09	1.47	16.6%	7.9%	8.6%	.272	1.43	.297	69.9%			5.00
Total	- - -	MLB	6.55	4.09	1.60	1.64	15.1%	9.4%	5.7%	.333	1.91	.368	71.4%	157	136	5.41

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingRegular MLB Seasons

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2015	BOS Red Sox	MLB	37	90.5	108.5	26.3	3	8.1%	15	40.5%	6.97	6.36
2016	SEA Mariners	MLB	3	84.7	90.3	15.5	0	0.0%	0	0.0%	0.00	1.91
Total	- - -	MLB	40	90.0	108.5	25.5	3	7.5%	15	37.5%	6.55

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2015	BOS Red Sox	MLB	37	90.5	108.5	26.3	3	8.1%	15	40.5%	6.97	6.36
2016	SEA Mariners	MLB	3	84.7	90.3	15.5	0	0.0%	0	0.0%	0.00	1.91
Total	- - -	MLB	40	90.0	108.5	25.5	3	7.5%	15	37.5%	6.55

Jonathan Aro

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

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