Mardie Cornejo
Pitcher · Career Stats, Bio & Records (1978)
Mardie Cornejo was a pitcher who played in Major League Baseball in 1978 for the New York Mets. Across 25 career appearances, he went 4-2 with a 2.45 ERA and 17 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 262.2.
- 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
- R / R
- Height / Weight
- 6'3" / 200 lb
- MLB Debut
- 1978-04-08
- Last Game
- 1978-09-29
Full name: Nieves Mardie Cornejo
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | NYN | NL | 4 | 2 | 25 | 0 | 0 | 0 | 3 | 36.2 | 37 | 10 | 14 | 17 | 2.45 | 3.69 (+33%) | 262.2 |
| Career · 1 season | 4 | 2 | 25 | 0 | 0 | 0 | 3 | 36.2 | 37 | 10 | 14 | 17 | 2.45 | — | 262 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | NYN | NL | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 1 season | 25 | 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 (50 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 14 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 11 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 14 | 18.1 | 19 | 6 | 7 | 11 | 2.95 |
| Away | 11 | 18.1 | 18 | 4 | 7 | 6 | 1.96 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-09-29 | NYN | CHC | — | 2.0 | 2 | 0 | 0 | 1 | 0 | 0 |
| 1978-09-24 | NYN | PHI | — | 1.0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1978-09-23 | NYN | PHI | — | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 1978-09-14 | NYN | WSN | W | 2.0 | 2 | 0 | 0 | 0 | 2 | 0 |
| 1978-09-11 | NYN | CHC | — | 1.2 | 3 | 0 | 0 | 1 | 2 | 0 |
| 1978-09-10 | NYN | PIT | SV | 1.0 | 2 | 0 | 0 | 0 | 0 | 0 |
| 1978-09-04 | NYN | PIT | — | 3.0 | 4 | 1 | 0 | 0 | 0 | 0 |
| 1978-05-20 | NYN | PHI | — | 0.1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1978-05-18 | NYN | ATL | — | 1.2 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1978-05-13 | NYN | HOU | — | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 25 |
College History
| School Name | City | State | Years Attended |
|---|---|---|---|
| University of Tulsa | Tulsa | OK | 1972, 1973 |
Mardie Cornejo: the record in brief
Mardie Cornejo played a first major league game on April 8, 1978 and a last one on September 29, 1978. The team column never changes: it is the New York Mets in 1978. The bio lists Cornejo as a pitcher who both batted and threw right-handed. Height and weight on file: 6 feet, 3 inches and 200 pounds. The birth record reads August 5, 1951, in Wellington, KS, USA. Cornejo's full given name, per the bio, is Nieves Mardie Cornejo.
The pitching table credits Cornejo with a 4-2 record and a 2.45 ERA in 25 games. The totals include 17 strikeouts. The leagues Cornejo pitched in allowed 3.69 earned runs per nine over those seasons, so the career ERA was 33.4% better than average. Cornejo's only pitching season is 1978: 25 games, 17 strikeouts. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Cornejo's career adds up to 262.2.
The college table lists University of Tulsa in 1972 and 1973. The game-log section draws on 50 games of Retrosheet box scores for Cornejo.
The position breakdown shows 25 games, all at pitcher. The fielding table credits Cornejo with 2 putouts, 4 assists and 0 errors on the mound.
Frequently Asked Questions about Mardie Cornejo
- Was Mardie Cornejo a pitcher?
- Yes. Mardie Cornejo pitched in the major leagues, recording 4 wins and 17 strikeouts.
- What teams did Mardie Cornejo play for?
- Mardie Cornejo played for one team, the New York Mets (1978).
- What were Mardie Cornejo's career stats?
- In 25 games, Mardie Cornejo went 4-2 with a 2.45 ERA, 17 strikeouts, 36.2 innings pitched, and 3 saves.
- What position did Mardie Cornejo play?
- Mardie Cornejo played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Mardie Cornejo and how much did he weigh?
- Mardie Cornejo was listed at 6 feet 3 inches and 200 pounds.
- What was Mardie Cornejo's career ERA?
- Mardie Cornejo finished with a 2.45 career ERA, going 4-2 with 17 strikeouts.
- How many strikeouts did Mardie Cornejo have?
- Mardie Cornejo recorded 17 career strikeouts.
- Is Mardie Cornejo in the Hall of Fame?
- No. Mardie Cornejo has not been inducted into the National Baseball Hall of Fame.