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
- Position
- Pitcher
- Bats / Throws
- L / L
- Height / Weight
- 5'11" / 165 lb
- MLB Debut
- 2000-09-05
- Last Game
- 2002-09-28
Full name: Oswaldo Antonio Mairena
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000 | CHN | NL | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2.0 | 7 | 4 | 2 | 0 | 18.00 | — | 0.0 |
| 2002 | FLO | NL | 2 | 3 | 31 | 0 | 0 | 0 | 0 | 33.2 | 38 | 20 | 12 | 21 | 5.35 | 4.28 (-25%) | -1017.4 |
| Career · 2 seasons | 2 | 3 | 33 | 0 | 0 | 0 | 0 | 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.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000 | CHN | NL | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2002 | FLO | NL | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | 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
| 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
| 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
| 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 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 33 |
Oswaldo Mairena: the record in brief
The profile opens with Oswaldo Mairena's first major league game on September 5, 2000; the last one listed came on September 28, 2002. By club, Mairena's seasons break down as the Chicago Cubs (2000) and the Florida Marlins (2002). At 5-foot-11 and 165 pounds, Mairena is listed as a pitcher. The bio says Mairena threw and hit left-handed. The recorded birth is July 30, 1975, in Chinandega, Chinandega, Nicaragua. On the record, Oswaldo Mairena was born Oswaldo Antonio Mairena.
Mairena went 2-3 with a 6.06 ERA in 33 games, 0 of them starts. The totals include 21 strikeouts. Against a 4.52 league ERA for the same seasons, the 6.06 mark was 33.9% worse. In 2002, one of the busiest seasons, Mairena posted a 5.35 ERA; the league figure that year was 4.28.
Retrosheet box scores cover 66 of Mairena's games, and the full game log is linked from the splits section.
Mairena appears at one position only: pitcher, in 33 games. On the mound, the fielding record shows 0 errors alongside 0 putouts and 5 assists.
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 teams did Oswaldo Mairena play for?
- Oswaldo Mairena played for 2 teams: the Chicago Cubs (2000) and the Florida Marlins (2002).
- What were Oswaldo Mairena's career stats?
- In 33 games, Oswaldo Mairena went 2-3 with a 6.06 ERA, 21 strikeouts, and 35.2 innings pitched.
- What position did Oswaldo Mairena play?
- Oswaldo Mairena played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Oswaldo Mairena and how much did he weigh?
- Oswaldo Mairena was listed at 5 feet 11 inches and 165 pounds.
- 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.