Jae Weong Seo, baseball player, 2002-2007

Jae Weong Seo

Born: 5/24/1977 in Gwangju, Gwangju, South Korea

MLB Debut: 2002-07-21 | Final Game: 2007-05-29

Bats: R | Throws: R | Height: 6'1" | Weight: 215 lbs

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Biography

Jae Weong Seo was a South Korean professional baseball pitcher who played in Major League Baseball from 2002 to 2007. Born in 1977, Seo made his MLB debut on July 21, 2002, showcasing a skill set that combined finesse and a strategic approach to pitching. Over the course of his career, he compiled a record of 28-40 with an earned run average (ERA) of 4.6, and registered a total of 340 strikeouts. Seo was known for his ability to mix pitches effectively, which allowed him to navigate through lineups with varying degrees of success. Seo's career unfolded during a time when the game was increasingly dominated by power hitters, making his achievements as a strikeout artist particularly noteworthy. While he did not record any saves during his time in the majors, his contributions as a starting pitcher were significant, and he remains a key figure in the history of South Korean baseball players in the MLB. After retiring from professional baseball on May 29, 2007, Seo's legacy continued to inspire aspiring pitchers in South Korea and beyond.

Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
28 40 118 102 1 0 0 606.3 691 310 86 184 340 4.60 0

Career ERA 4.60 vs. league average 4.41 across their career seasons — near 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
2002 NYN NL 0 0 1 0 0 0 0 1.0 0 0 0 1 0.00 — 0.0
2003 NYN NL 9 12 32 31 0 0 0 188.3 193 80 46 110 3.82 4.40 (+13%) 2276.8
2004 NYN NL 5 10 24 21 0 0 0 117.7 133 64 50 54 4.90 4.46 (-10%) -2623.4
2005 NYN NL 8 2 14 14 1 0 0 90.3 84 26 16 59 2.59 4.29 (+40%) 1650.3
2006 LAD NL 2 4 19 10 0 0 0 67.0 75 43 25 49 5.78 4.53 (-28%) -
2006 TBR AL 1 8 17 16 0 0 0 90.0 122 50 31 39 5.00 4.53 (-10%) -
2007 TBR AL 3 4 11 10 0 0 0 52.0 84 47 16 28 8.13 4.47 (-82%) -

Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
123 131 7 15 3 0 0 5 1 9 45 0.115 0.177 0.137 0.315 -582.1

Career AVG .115 vs. league average .266 across their career seasons — 56.9% below league average.

Career OBP .177 vs. league average .334 across their career seasons — 46.9% below league average.

Career SLG .137 vs. league average .423 across their career seasons — 67.5% below league average.

Career OPS 0.315 vs. league average 0.757 across their career seasons — 58.4% 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
2002 NYN NL 1 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2003 NYN NL 35 51 3 5 1 0 0 0 0 3 19 0.098 .264 (-63%) .332 (-55%) .422 (-72%) .754 (-65%) -582.1
2004 NYN NL 26 32 2 5 1 0 0 1 1 2 9 0.156 — — — — 0.0
2005 NYN NL 14 29 2 3 1 0 0 4 0 3 11 0.103 — — — — 0.0
2006 LAD NL 19 18 0 2 0 0 0 0 0 1 6 0.111 — — — — 0.0
2006 TBR AL 17 1 0 0 0 0 0 0 0 0 0 0.000 — — — — 0.0
2007 TBR AL 11 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 118 102 35 85 1 7

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
2002 NYN P 1 0 0 0 0 0
2003 NYN P 32 31 11 35 1 0
2004 NYN P 24 21 12 17 0 3
2005 NYN P 14 14 5 11 0 1
2006 LAN P 19 10 2 8 0 0
2006 TBA P 17 16 2 12 0 2
2007 TBA P 11 10 3 2 0 1

Career Games by Position

Position Games
Pitcher 118

Salary History

Year Team League Salary
2007 TBA AL $1,200,000
2006 LAN NL $350,000
2003 NYN NL $300,000
Total Career Earnings $1,850,000