Jeff Marquez
Pitcher · Career Stats, Bio & Records (2010-2011)
Jeff Marquez was a pitcher who played in Major League Baseball from 2010 to 2011 for the Chicago White Sox and the New York Yankees, a span of 2 seasons. Across 4 career appearances, he went 0-0 with a 5.40 ERA and 2 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
- R / R
- Height / Weight
- 6'2" / 190 lb
- MLB Debut
- 2010-07-09
- Last Game
- 2011-06-19
Full name: Jeffrey Joseph Marquez
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | CHA | AL | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.0 | 2 | 2 | 0 | 0 | 18.00 | — | 0.0 |
| 2011 | NYA | AL | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 4.0 | 5 | 1 | 0 | 2 | 2.25 | — | 0.0 |
| Career · 2 seasons | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 5.0 | 7 | 3 | 0 | 2 | 5.40 | — | 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.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | CHA | AL | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2011 | NYA | AL | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 4 | 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
Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 3 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 1 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 3 | 4.0 | 5 | 3 | 0 | 1 | 6.75 |
| Away | 1 | 1.0 | 2 | 0 | 0 | 1 | 0.00 |
Last 4 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2011-06-19 | NYY | CHC | — | 1.0 | 2 | 0 | 0 | 0 | 1 | 0 |
| 2011-06-15 | NYY | TEX | — | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2011-06-09 | NYY | BOS | — | 2.0 | 2 | 1 | 1 | 0 | 1 | 0 |
| 2010-07-09 | CHW | KCR | — | 1.0 | 2 | 2 | 2 | 0 | 0 | 1 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 4 |
Jeff Marquez: the record in brief
The profile opens with Jeff Marquez's first major league game on July 9, 2010; the last one listed came on June 19, 2011. By club, Marquez's seasons break down as the Chicago White Sox (2010) and the New York Yankees (2011). Marquez, a pitcher by primary position, batted and threw right-handed. Height and weight on file: 6 feet, 2 inches and 190 pounds. Marquez was born on August 10, 1984, in Vacaville, CA, USA. Jeff Marquez was the playing name; the full given name is Jeffrey Joseph.
Marquez's career pitching line is 0 wins, 0 losses and a 5.40 ERA over 4 appearances. The same table counts 2 strikeouts. Against a 4.01 league ERA for the same seasons, the 5.40 mark was 34.6% worse.
Marquez appears at one position only: pitcher, in 4 games.
Frequently Asked Questions about Jeff Marquez
- What years did Jeff Marquez play?
- Jeff Marquez played in Major League Baseball from 2010 to 2011.
- Was Jeff Marquez a pitcher?
- Yes. Jeff Marquez pitched in the major leagues, recording 0 wins and 2 strikeouts.
- What was Jeff Marquez's career ERA?
- Jeff Marquez finished with a 5.40 career ERA, going 0-0 with 2 strikeouts.
- How many strikeouts did Jeff Marquez have?
- Jeff Marquez recorded 2 career strikeouts.
- Is Jeff Marquez in the Hall of Fame?
- No. Jeff Marquez has not been inducted into the National Baseball Hall of Fame.
- What teams did Jeff Marquez play for?
- Jeff Marquez played for the Chicago White Sox and the New York Yankees.