Pete O'Brien
Second Baseman · Career Stats, Bio & Records (1901-1907)
Pete O'Brien was a second baseman who played in Major League Baseball from 1901 to 1907 for 4 teams, including the Cincinnati Reds, a span of 7 seasons. In 249 career games, he hit .223 with 191 hits, 3 home runs, and 78 RBI.
- AVG (Batting Average):
- Hits divided by at bats. .300 is the traditional mark of an excellent hitter.
- HR (Home Runs):
- Hits on which the batter circled the bases and scored, almost always by clearing the outfield fence.
- RBI (Runs Batted In):
- Runs that scored as a direct result of a batter's plate appearance.
- OPS (On-Base Plus Slugging):
- On-base percentage plus slugging percentage, the quickest single summary of offensive value. .900 or better is star-level.
Data updated
- Position
- Second Baseman
- Bats / Throws
- L / R
- Height / Weight
- 5'7" / 170 lb
- Died
- 1/31/1917 in Jersey City, NJ, USA
- MLB Debut
- 1901-09-17
- Last Game
- 1907-10-02
Full name: Peter J. O'Brien
Career Batting Statistics
| G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 249 | 857 | 60 | 191 | 18 | 7 | 3 | 78 | 30 | 63 | 96 | .223 | .279 | .271 | .550 | -1,392 |
Career AVG .223 vs. league average .254 across their career seasons — 12.4% below league average.
Career OBP .279 vs. league average .313 across their career seasons — 10.6% below league average.
Career SLG .271 vs. league average .327 across their career seasons — 17.2% below league average.
Career OPS .550 vs. league average .640 across their career seasons — 14.0% below league average.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1901 | CIN | NL | 16 | 54 | 1 | 11 | 1 | 0 | 1 | 3 | 0 | 2 | 8 | .204 | .271 (-25%) | .326 (-29%) | .359 (-23%) | .686 (-26%) | -216.9 |
| 1906 | SLA | AL | 151 | 524 | 44 | 122 | 9 | 4 | 2 | 57 | 25 | 42 | 67 | .233 | .247 (-6%) | .307 (-5%) | .315 (-12%) | .622 (-8%) | -564.5 |
| 1907 | CLE | AL | 43 | 145 | 9 | 33 | 5 | 2 | 0 | 6 | 1 | 7 | 13 | .228 | .245 (-7%) | .304 (-14%) | .308 (-6%) | .613 (-10%) | -232.8 |
| 1907 | WS1 | AL | 39 | 134 | 6 | 25 | 3 | 1 | 0 | 12 | 4 | 12 | 8 | .187 | .245 (-24%) | .304 (-15%) | .308 (-28%) | .613 (-21%) | -232.8 |
| Career · 4 seasons | 249 | 857 | 60 | 191 | 18 | 7 | 3 | 78 | 30 | 63 | 96 | .223 | — | — | — | — | -1,247 | ||
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 (246 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 125 | 412 | 26 | 100 | 3 | 21 | .243 |
| Away | 121 | 448 | 34 | 91 | 0 | 29 | .203 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1907-10-02 | MIN | DET | L | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1907-10-02 | MIN | DET | L | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1907-10-01 | MIN | DET | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1907-09-30 | MIN | CLE | W | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1907-09-28 | MIN | CLE | W | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| 1907-09-27 | MIN | CLE | L | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1907-09-27 | MIN | CLE | W | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1907-09-26 | MIN | SLA | L | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1907-09-24 | MIN | SLA | L | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1907-09-20 | MIN | CHW | L | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
Fielding Statistics
Career Fielding Totals by Position
| Position | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|
| 2B | 151 | 132 | 316 | 358 | 51 | 41 |
| 3B | 58 | 61 | 71 | 122 | 13 | 2 |
| SS | 36 | 28 | 49 | 94 | 17 | 8 |
Season-by-Season Fielding
| Year | Team | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|---|
| 1901 | CIN | 2B | 15 | 0 | 35 | 37 | 9 | 6 |
| 1906 | SLA | 2B | 120 | 117 | 254 | 274 | 38 | 31 |
| 1906 | SLA | 3B | 20 | 21 | 25 | 35 | 0 | 0 |
| 1906 | SLA | SS | 11 | 9 | 18 | 29 | 4 | 1 |
| 1907 | CLE | 2B | 15 | 15 | 27 | 47 | 4 | 4 |
| 1907 | CLE | 3B | 12 | 10 | 9 | 20 | 3 | 2 |
| 1907 | CLE | SS | 12 | 12 | 17 | 33 | 7 | 4 |
| 1907 | WS1 | 2B | 1 | 0 | 0 | 0 | 0 | 0 |
| 1907 | WS1 | 3B | 26 | 30 | 37 | 67 | 10 | 0 |
| 1907 | WS1 | SS | 13 | 7 | 14 | 32 | 6 | 3 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Second Base | 149 |
| Third Base | 63 |
| Shortstop | 31 |
Pete O'Brien: the record in brief
Pete O'Brien played a first major league game on September 17, 1901 and a last one on October 2, 1907. The team column moves through the Cincinnati Reds (1901), the St. Louis Browns (1906), the Cleveland Naps (1907), and the Washington Senators (1907). O'Brien played primarily as a second baseman and threw right-handed and batted left-handed. Born on June 17, 1877, in Binghamton, NY, USA, O'Brien was listed at 5 feet, 7 inches and 170 pounds. O'Brien's death is recorded on January 31, 1917, in Jersey City, NJ, USA. O'Brien's full given name, per the bio, is Peter J. O'Brien.
O'Brien collected 191 hits in 857 at bats across 249 games, good for a .223 batting average, plus 3 homers, 78 RBI, and 30 stolen bases. The on-base percentage is .279 and the slugging percentage .271, for an OPS of .550. Set against a .254 league average for the same years, O'Brien's .223 average sits 12.4% below it. In OPS terms, O'Brien's .550 stands 14.0% below the league's .640. No season topped the 122 hits of 1906. 1906 brought a season-best 25 stolen bases.
Frequently Asked Questions about Pete O'Brien
- What years did Pete O'Brien play?
- Pete O'Brien played in Major League Baseball from 1901 to 1907.
- Was Pete O'Brien a pitcher?
- No. Pete O'Brien was a position player (Second Baseman).
- How many home runs did Pete O'Brien hit?
- Pete O'Brien hit 3 career home runs with 191 hits.
- What was Pete O'Brien's career batting average?
- Pete O'Brien batted .223 over his career, with 191 hits in 857 at bats.
- How many RBI did Pete O'Brien have?
- Pete O'Brien drove in 78 runs in his career.
- Is Pete O'Brien in the Hall of Fame?
- No. Pete O'Brien has not been inducted into the National Baseball Hall of Fame.