What years did Oswaldo Mairena play?

Oswaldo Mairena played in Major League Baseball from 2000 to 2002.

Was Oswaldo Mairena a pitcher?

Yes. Oswaldo Mairena pitched in the major leagues, recording 2 wins and 21 strikeouts.

What was Oswaldo Mairena's career ERA?

Oswaldo Mairena finished with a 6.06 career ERA, going 2-3 with 21 strikeouts.

How many strikeouts did Oswaldo Mairena have?

Oswaldo Mairena recorded 21 career strikeouts.

Is Oswaldo Mairena in the Hall of Fame?

No. Oswaldo Mairena has not been inducted into the National Baseball Hall of Fame.

What teams did Oswaldo Mairena play for?

Oswaldo Mairena played for the Chicago Cubs and the Florida Marlins.

Oswaldo Mairena

Pitcher · Career Stats, Bio & Records (2000-2002)

Oswaldo Mairena was a pitcher who played in Major League Baseball from 2000 to 2002 for the Chicago Cubs and the Florida Marlins, a span of 3 seasons. Across 33 career appearances, he went 2-3 with a 6.06 ERA and 21 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 September 9, 2026

W–L 2–3

ERA 6.06

WHIP 1.65

SO 21

Pitcher PIV -1017.4

Position: Pitcher
Bats / Throws: L / L
Height / Weight: 5'11" / 165 lb
Born: 7/30/1975 in Chinandega, Chinandega, Nicaragua
MLB Debut: 2000-09-05
Last Game: 2002-09-28

Full name: Oswaldo Antonio Mairena

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Career Pitching Statistics

Oswaldo Mairena — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
2	3	33	0	0	0	0	35.7	45	24	8	14	21	6.06	-1017.4

Career ERA 6.06 vs. league average 4.52 across their career seasons — 33.9% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Oswaldo Mairena — Season-by-Season Pitching
Year	Team	Lg	W	L	G	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2000	CHN	NL	0	0	2	2.0	7	4	2	0	18.00	—	0.0
2002	FLO	NL	2	3	31	33.7	38	20	12	21	5.35	4.28 (-25%)	-1017.4
Career · 2 seasons			2	3	33	35.2	45	24	14	21	6.06	—	-1,017

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

Oswaldo Mairena — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
33	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.

Oswaldo Mairena — Season-by-Season Batting
Year	Team	Lg	G	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2000	CHN	NL	2	.000	—	—	—	—	0.0
2002	FLO	NL	31	.000	—	—	—	—	0.0
Career · 2 seasons			33	—	—	—	—	—	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 (66 games) →

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

Batting — Home / Away

Oswaldo Mairena — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	13	0	0	0	0	0	—
Away	20	0	0	0	0	0	—

Pitching — Home / Away

Oswaldo Mairena — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	13	16.2	20	10	6	10	5.40
Away	20	19.0	25	14	8	11	6.63

Last 10 Games — Pitching

Oswaldo Mairena — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2002-09-28	MIA	PHI	—	1.0	2	2	2	0	1	1
2002-09-18	MIA	WSN	L	1.0	2	2	2	3	1	0
2002-09-13	MIA	ATL	—	1.0	0	0	0	0	1	0
2002-09-11	MIA	PHI	—	1.0	1	0	0	0	1	0
2002-09-04	MIA	NYN	—	1.1	2	1	1	0	1	1
2002-09-03	MIA	NYN	—	2.0	3	1	1	0	1	0
2002-07-14	MIA	CHC	—	1.0	3	4	4	1	0	3
2002-07-13	MIA	CHC	—	1.0	0	0	0	0	2	0
2002-07-12	MIA	CHC	—	1.0	0	0	0	0	2	0
2002-07-07	MIA	NYN	L	2.1	2	2	1	1	0	0

Fielding Statistics

Career Fielding Totals by Position

Oswaldo Mairena — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	33	0	0	5	0	0

Season-by-Season Fielding

Oswaldo Mairena — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
2000	CHN	P	2	0	0	0	0	0
2002	FLO	P	31	0	0	5	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Oswaldo Mairena — Career Games by Position
Position	Games
Pitcher	33

Frequently Asked Questions about Oswaldo Mairena

What years did Oswaldo Mairena play?: Oswaldo Mairena played in Major League Baseball from 2000 to 2002.
Was Oswaldo Mairena a pitcher?: Yes. Oswaldo Mairena pitched in the major leagues, recording 2 wins and 21 strikeouts.
What was Oswaldo Mairena's career ERA?: Oswaldo Mairena finished with a 6.06 career ERA, going 2-3 with 21 strikeouts.
How many strikeouts did Oswaldo Mairena have?: Oswaldo Mairena recorded 21 career strikeouts.
Is Oswaldo Mairena in the Hall of Fame?: No. Oswaldo Mairena has not been inducted into the National Baseball Hall of Fame.
What teams did Oswaldo Mairena play for?: Oswaldo Mairena played for the Chicago Cubs and the Florida Marlins.