What years did Jonathan Aro play?

Jonathan Aro played in Major League Baseball from 2015 to 2016.

Was Jonathan Aro a pitcher?

Yes. Jonathan Aro pitched in the major leagues, recording 0 wins and 8 strikeouts.

What was Jonathan Aro's career ERA?

Jonathan Aro finished with a 6.55 career ERA, going 0-1 with 8 strikeouts.

How many strikeouts did Jonathan Aro have?

Jonathan Aro recorded 8 career strikeouts.

Is Jonathan Aro in the Hall of Fame?

No. Jonathan Aro has not been inducted into the National Baseball Hall of Fame.

What teams did Jonathan Aro play for?

Jonathan Aro played for the Boston Red Sox and the Seattle Mariners.

Jonathan Aro

Pitcher · Career Stats, Bio & Records (2015-2016)

Jonathan Aro was a pitcher who played in Major League Baseball from 2015 to 2016 for the Boston Red Sox and the Seattle Mariners, a span of 2 seasons. Across 7 career appearances, he went 0-1 with a 6.55 ERA and 8 strikeouts.

W (Wins):: Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):: Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):: For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):: Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated October 12, 2026

W–L 0–1

ERA 6.55

WHIP 1.91

SO 8

Pitcher PIV -336.1

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'0" / 235 lb
Born: 10/10/1990 in La Vega, La Vega, D.R.
MLB Debut: 2015-06-25
Last Game: 2016-06-20

Full name: Jonathan Arturo Aro

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

Jonathan Aro — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
0	1	7	0	0	0	0	11.0	16	8	2	5	8	6.55	-336.1

Career ERA 6.55 vs. league average 4.08 across their career seasons — 60.6% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Jonathan Aro — Season-by-Season Pitching
Year	Team	Lg	L	G	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2015	BOS	AL	1	6	10.1	15	8	4	8	6.97	3.96 (-76%)	-336.1
2016	SEA	AL	0	1	0.2	1	0	1	0	0.00	—	0.0
Career · 2 seasons			1	7	11.0	16	8	5	8	6.55	—	-336

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

Jonathan Aro — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
7	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Jonathan Aro — Season-by-Season Batting
Year	Team	Lg	G	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2015	BOS	AL	6	.000	—	—	—	—	0.0
2016	SEA	AL	1	.000	—	—	—	—	0.0
Career · 2 seasons			7	—	—	—	—	—	0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (14 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Jonathan Aro — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	2	0	0	0	0	0	—
Away	5	0	0	0	0	0	—

Pitching — Home / Away

Jonathan Aro — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	2	2.1	5	1	0	2	3.86
Away	5	8.2	11	7	5	6	7.27

Last 7 Games — Pitching

Jonathan Aro — Last 7 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2016-06-20	SEA	DET	—	0.2	1	0	0	1	0	0
2015-10-02	BOS	CLE	—	2.2	1	1	1	2	4	1
2015-09-26	BOS	BAL	—	1.0	1	0	0	0	0	0
2015-09-15	BOS	BAL	L	2.0	1	1	1	2	1	0
2015-07-01	BOS	TOR	—	3.0	6	3	3	0	1	1
2015-06-28	BOS	TBR	—	0.1	2	2	2	0	0	0
2015-06-25	BOS	BAL	—	1.1	4	1	1	0	2	0

Fielding Statistics

Career Fielding Totals by Position

Jonathan Aro — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	7	0	1	0	0	0

Season-by-Season Fielding

Jonathan Aro — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
2015	BOS	P	6	0	1	0	0	0
2016	SEA	P	1	0	0	0	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Jonathan Aro — Career Games by Position
Position	Games
Pitcher	7

Jonathan Aro: the record in brief

The profile opens with Jonathan Aro's first major league game on June 25, 2015; the last one listed came on June 20, 2016. Aro played for the Boston Red Sox (2015) and the Seattle Mariners (2016). Aro played primarily as a pitcher and both batted and threw right-handed. The bio adds a birth date on October 10, 1990, in La Vega, La Vega, D.R. and a listed size of 6-foot-0 and 235 pounds. The given name on file is Jonathan Arturo Aro.

Aro's career pitching line is 0 wins, 1 loss and a 6.55 ERA over 7 appearances. Aro had 8 strikeouts. The league ERA over Aro's seasons was 4.08, so the 6.55 figure ran 60.6% worse than average. In 2015, one of the busiest seasons, Aro posted a 6.97 ERA; the league figure that year was 3.96.

The game-log section draws on 14 games of Retrosheet box scores for Aro.

Every defensive appearance on record for Aro, 7 games, came at pitcher.

Frequently Asked Questions about Jonathan Aro

What years did Jonathan Aro play?: Jonathan Aro played in Major League Baseball from 2015 to 2016.
Was Jonathan Aro a pitcher?: Yes. Jonathan Aro pitched in the major leagues, recording 0 wins and 8 strikeouts.
What was Jonathan Aro's career ERA?: Jonathan Aro finished with a 6.55 career ERA, going 0-1 with 8 strikeouts.
How many strikeouts did Jonathan Aro have?: Jonathan Aro recorded 8 career strikeouts.
Is Jonathan Aro in the Hall of Fame?: No. Jonathan Aro has not been inducted into the National Baseball Hall of Fame.
What teams did Jonathan Aro play for?: Jonathan Aro played for the Boston Red Sox and the Seattle Mariners.