Buck O'Brien, baseball player, 1911-1913

Buck O'Brien

Born: 5/9/1882 in Brockton, MA, USA

Died: 7/25/1959 in Boston, MA, USA

MLB Debut: 1911-09-09 | Final Game: 1913-08-06

Bats: R | Throws: R | Height: 5'10" | Weight: 188 lbs

Full name: Thomas Joseph O'Brien

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Biography

Buck O'Brien was a professional baseball pitcher who played in Major League Baseball from 1911 to 1913. Born in 1882, O'Brien made a notable impact during his brief career, showcasing his talents in an era that was transitioning from the deadball era to a more offense-driven game. Over the course of his career, he compiled a record of 29 wins and 25 losses, with an impressive earned run average (ERA) of 2.62, highlighting his effectiveness on the mound. O'Brien demonstrated his ability to miss bats, recording a total of 204 strikeouts throughout his career. Despite the challenges of competing in a league that saw significant changes in playing style and strategy, he remained a reliable pitcher, contributing to his teams with solid performances. While he did not record any saves, his role as a starting pitcher underscored his importance during his tenure in the league. O'Brien's career, though relatively short-lived, reflected the competitive nature of early 20th-century baseball and his contributions to the game remain a significant part of its rich history.

Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
29 25 64 54 36 4 0 432.0 391 126 3 159 204 2.62 0

Career ERA 2.62 vs. league average 3.27 across their career seasons — 19.6% better than league average.

Season-by-Season Pitching

Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1911 BOS AL 5 1 6 5 5 2 0 47.7 30 2 21 31 0.38 3.37 (+89%) 588.7
1912 BOS AL 20 13 37 34 25 2 0 275.7 237 79 90 115 2.58 3.36 (+23%) 726.8
1913 BOS AL 4 9 15 12 6 0 0 90.3 103 37 35 54 3.69 3.07 (-20%) 1173.7
1913 CHW AL 0 2 6 3 0 0 0 18.3 21 8 13 4 3.93 3.07 (-28%) -

Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
64 143 6 20 3 1 0 8 0 9 40 0.140 0.191 0.175 0.366 -763.5

Career AVG .140 vs. league average .265 across their career seasons — 47.2% below league average.

Career OBP .191 vs. league average .332 across their career seasons — 42.6% below league average.

Career SLG .175 vs. league average .354 across their career seasons — 50.6% below league average.

Career OPS 0.366 vs. league average 0.686 across their career seasons — 46.7% below league average.

Season-by-Season Batting

Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1911 BOS AL 6 16 0 2 1 0 0 1 0 0 4 0.125 — — — — 0.0
1912 BOS AL 37 94 4 13 1 1 0 6 0 6 27 0.138 .268 (-49%) .335 (-43%) .358 (-53%) .694 (-48%) -763.5
1913 BOS AL 15 30 2 5 1 0 0 1 0 3 9 0.167 — — — — 0.0
1913 CHW AL 6 3 0 0 0 0 0 0 0 0 0 0.000 — — — — 0.0

Postseason Statistics

Playoff Career Batting

G AB R H 2B 3B HR RBI BB SO AVG
2 2 0 0 0 0 0 0 0 2 0.000

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
1912 WS BOS 2 2 0 0 0 0 0 0 0 2 0.000

Playoff Career Pitching

W L G GS SV IP H ER BB SO ERA
0 2 2 2 0 9.0 12 5 3 4 5.00

Playoff Pitching by Year

Year Round Team W L G GS SV IP H ER BB SO ERA
1912 WS BOS 0 2 2 2 0 9.0 12 5 3 4 5.00

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 64 0 15 130 5 2

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1911 BOS P 6 0 3 14 0 1
1912 BOS P 37 0 10 83 5 1
1913 BOS P 15 0 1 29 0 0
1913 CHA P 6 0 1 4 0 0

Career Games by Position

Position Games
Pitcher 64