Jack Onslow, baseball player, 1912-1917

Jack Onslow

Born: 10/13/1888 in Scottdale, PA, USA

Died: 12/22/1960 in Concord, MA, USA

MLB Debut: 1912-05-02 | Final Game: 1917-10-03

Bats: R | Throws: R | Height: 5'11" | Weight: 180 lbs

Full name: John James Onslow

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Biography

Jack Onslow was a professional baseball player born in 1888, who played in Major League Baseball from 1912 to 1917. Primarily serving as a position player, Onslow's career spanned a transformative era in the sport, witnessing the tail end of the deadball era where low-scoring games and strategic play dominated the field. Over the course of his five-year career, he participated in 45 games, where he recorded 13 hits and achieved a batting average of .169. Although he did not hit any home runs, he contributed 4 RBIs and managed to steal 1 base, showcasing his ability to impact the game in various ways despite the low offensive output. Onslow's tenure in the league may not have been marked by standout statistics, but he was part of the rich tapestry of early 20th-century baseball, a time when the game was evolving in terms of talent, strategy, and fan engagement. Players like Onslow helped lay the groundwork for future generations, even as the game began to shift towards a more power-oriented style in the years following his retirement. His contributions, while understated, are a reminder of the many players who participated in the sport during its formative years.

Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
45 77 8 13 2 0 0 4 1 10 24 0.169 0.289 0.195 0.484 -352.3

Career AVG .169 vs. league average .259 across their career seasons — 34.7% below league average.

Career OBP .289 vs. league average .324 across their career seasons — 10.8% below league average.

Career SLG .195 vs. league average .341 across their career seasons — 42.8% below league average.

Career OPS 0.484 vs. league average 0.665 across their career seasons — 27.2% 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
1912 DET AL 36 69 7 11 1 0 0 4 1 10 23 0.159 .268 (-41%) .335 (-15%) .358 (-52%) .694 (-34%) -352.3
1917 NY1 NL 9 8 1 2 1 0 0 0 0 0 1 0.250 — — — — 0.0

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
C 44 0 120 40 9 4
OF 1 0 0 0 0 0

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1912 DET C 35 0 109 38 8 4
1912 DET OF 1 0 0 0 0 0
1917 NY1 C 9 0 11 2 1 0

Career Games by Position

Position Games
Catcher 44
Center Field 1