Jae Woeng "Jay" Soe (Jay So) (;

Hanja Hanja (; ), alternatively spelled Hancha, are Chinese characters used to write the Korean language. After characters were introduced to Korea to write Literary Chinese, they were adapted to write Korean as early as the Gojoseon period. () ...

: 徐在應; ; born May 24, 1977), usually referred to as simply Jae Seo and pronounced "Jay So", is a retired South Korean professional baseball pitcher. He played in

Major League Baseball Major League Baseball (MLB) is a professional baseball league composed of 30 teams, divided equally between the National League (baseball), National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB i ...

(MLB) for the

New York Mets The New York Mets are an American professional baseball team based in the Boroughs of New York City, New York City borough of Queens. The Mets compete in Major League Baseball (MLB) as a member club of the National League (baseball), National ...

Los Angeles Dodgers The Los Angeles Dodgers are an American professional baseball team based in Los Angeles. The Dodgers compete in Major League Baseball (MLB) as a member club of the National League (baseball), National League (NL) National League West, West Div ...

, and

Tampa Bay Devil Rays The Tampa Bay Rays are an American professional baseball team based in the Tampa Bay area. The Rays compete in Major League Baseball (MLB) as a member club of the American League (AL) East Division. They are one of two major league clubs based i ...

. Seo subsequently returned to South Korea to join the

KBO League The KBO League () is a professional baseball league in South Korea. The league comprises ten teams. The KBO League was founded with six franchises in 1982 and is the most popular sports league in South Korea. The Kia Tigers are the most success ...

Kia Tigers The Kia Tigers () are a South Korean professional baseball team founded in 1982 and based in the southwestern city of Gwangju. Until 2001, they were known as the Haitai Tigers. The Tigers are members of the KBO League and are the most successful ...

Career

Seo attended Gwangju Jeil High School (graduating in 1996),Keh, Andrew
"School Spirit May Be Metaphysical for South Korean Baseball Players,"
''New York Times'' (Oct. 2, 2015). and

Inha University Inha University () is a private research university located in Incheon, South Korea. Known traditionally for research and education in the engineering and physical sciences, the university was established by the first president of South Korea, S ...

Incheon, South Korea Incheon is a city located in northwestern South Korea, bordering Seoul and Gyeonggi Province to the east. Inhabited since the Neolithic, Incheon was home to just 4,700 people when it became an international port in 1883. As of February 2020, ...

, where he led his team to the Korean collegiate championship in 1997. In , Seo was signed as a

free agent In professional sports, a free agent is a player or manager who is eligible to sign with other clubs or franchises; i.e., not under contract to any specific team. The term is also used in reference to a player who is under a contract at present ...

by the New York Mets. After an excellent first year of professional play, Seo underwent

reconstructive surgery Reconstructive surgery is surgery performed to restore normal appearance and function to body parts malformed by a disease or medical condition. Description Reconstructive surgery is a term with training, clinical, and reimbursement implicat ...

on his elbow in . He did not pitch again until . On July 21, , Seo made his major league debut with a scoreless inning of

relief Relief is a sculpture, sculptural method in which the sculpted pieces remain attached to a solid background of the same material. The term ''wikt:relief, relief'' is from the Latin verb , to raise (). To create a sculpture in relief is to give ...

against the

Cincinnati Reds The Cincinnati Reds are an American professional baseball team based in Cincinnati. The Reds compete in Major League Baseball (MLB) as a member club of the National League (baseball), National League (NL) National League Central, Central Divisi ...

. In , Seo spent the entire season with the Mets as a starting pitcher. He logged 188

innings pitched In baseball, the statistic innings pitched (IP) is the number of innings a pitcher has completed, measured by the number of Batter (baseball), batters and baserunners that have been put out while the pitcher is on the Baseball field#Pitcher's mou ...

and 31

games started In baseball statistics, games started (denoted by GS) indicates the number of games pitched, games that a pitcher has starting pitcher, started for his team. A pitcher is credited with starting the game if he throws the first pitch to the first opp ...

, both tops among

rookie A rookie is a person new to an occupation, profession, or hobby. In sports, a ''rookie'' is a professional athlete in their first season (or year). In contrast with a veteran who has experience, a rookie is typically considered needing more tra ...

pitchers in the

National League National League often refers to: *National League (baseball), one of the two baseball leagues constituting Major League Baseball in the United States and Canada *National League (division), the fifth division of the English football (soccer) system ...

that year. In , Seo struggled, splitting his time between the Mets and the Triple-A

Norfolk Tides The Norfolk Tides are a Minor League Baseball team of the International League and the Triple-A (baseball), Triple-A affiliate of the Baltimore Orioles. They are located in Norfolk, Virginia, and are named in nautical reference to the city's loc ...

. When he first pitched in the major leagues, he had two pitches – a

fastball The fastball is the most common type of pitch (baseball), pitch thrown by pitchers in baseball and softball. Its distinctive feature is its high speed. "Power pitchers," such as former major leaguers Nolan Ryan and Roger Clemens, relied on the ...

which topped out at 91–92 miles per hour (he threw in the mid-90s before

Tommy John surgery Ulnar collateral ligament reconstruction, sometimes referred to as Tommy John surgery is a surgical graft procedure where the ulnar collateral ligament in the medial elbow is replaced with either a tendon from elsewhere in the patient's body, ...

), and a deceptive

changeup A changeup is a type of pitch in baseball and fastpitch softball. The changeup is a staple off-speed pitch often used in a pitcher's arsenal, usually thrown to look like a fastball, but arriving much more slowly to the plate. Its reduced spee ...

in the mid 80s. Not being able to throw as hard as earlier in his career meant it was important for Seo to maintain a high degree of control over his pitches which, on occasion he was unable to do. This, along with Seo's reluctance to change his pitching mechanics, led to confrontations with Mets' pitching coach

Rick Peterson Erick Harding "Rick" Peterson (born October 30, 1954) is an American former pitcher and pitching coach in Major League Baseball. He was most recently the director of pitching development for the Baltimore Orioles. He was a pitcher in the Pittsbur ...

. In , Seo seemed to have taken heed of this advice, developing a slider, splitter, and

curveball In baseball and softball, the curveball is a type of pitch thrown with a characteristic grip and hand movement that imparts forward spin to the ball, causing it to dive as it approaches the plate. Varieties of curveball include the 12–6 curve ...

. The Mets' surplus of

pitcher In baseball, the pitcher is the player who throws ("Pitch (baseball), pitches") the Baseball (ball), baseball from the pitcher's mound toward the catcher to begin each play, with the goal of out (baseball), retiring a batter (baseball), batter, ...

s resulted in his spending much of the year at Norfolk. However, he was called up to the majors in early August 2005, and pitched extremely well. On January 4, , Seo was dealt to the

along with

Tim Hamulack Timothy Wm. Alexander Hamulack (born November 14, 1976) is an American former professional baseball pitcher. Hamulack is 6' 4" and weighs 220 pounds. He throws left-handed. Professional career He was drafted in the 32nd round of the 1995 Major L ...

in exchange for relievers Duaner Sánchez and Steve Schmoll. On June 26, he was traded by the Dodgers, along with

catcher Catcher is a position in baseball and softball. When a batter takes their turn to hit, the catcher crouches behind home plate, in front of the (home) umpire, and receives the ball from the pitcher. In addition to this primary duty, the catc ...

Dioner Navarro Dioner Favian Navarro Vivas (born February 9, 1984) is a Venezuelan former professional baseball catcher. He played in Major League Baseball (MLB) for the New York Yankees, Los Angeles Dodgers, Tampa Bay Rays, Cincinnati Reds, Chicago Cubs, Chi ...

and

outfielder An outfielder is a person playing in one of the three defensive positions in baseball or softball, farthest from the batter. These defenders are the left fielder, the center fielder, and the right fielder. As an outfielder, their duty is to catch ...

Justin Ruggiano to the

in exchange for pitcher Mark Hendrickson and catcher

Toby Hall Toby Jason Hall (born October 21, 1975) is an American professional baseball coach and former catcher who is currently the interim manager and bench coach for the Windy City ThunderBolts of the Frontier League. He played in Major League Baseball ...

. Seo made his debut with the Rays on June 28, 2006, against the

Florida Marlins The Miami Marlins are an American professional baseball team based in Miami. The Marlins compete in Major League Baseball (MLB) as a member club of the National League (NL) East Division. The team plays its home games at LoanDepot Park. The ...

, pitching two scoreless

inning In baseball, softball, and similar games, an inning is the basic unit of play, consisting of two halves or frames, the "top" (first half) and the "bottom" (second half). In each half, one team bats until three outs are made, with the other tea ...

s. In , despite his strong performance during

spring training Spring training, also called spring camp, is the preseason of the Summer Professional Baseball Leagues, such as Major League Baseball (MLB), and it is a series of practices and exhibition games preceding the start of the regular season. Spri ...

, he recorded a 3–4 record with an 8.13

ERA An era is a span of time. Era or ERA may also refer to: * Era (geology), a subdivision of geologic time * Calendar era Education * Academy of European Law (German: '), an international law school * ERA School, in Melbourne, Australia * E ...

. He was then sent to the Triple-A

Durham Bulls The Durham Bulls are a Minor League Baseball team of the International League and the Triple-A affiliate of the Tampa Bay Rays. They are located in Durham, North Carolina, and play their home games at Durham Bulls Athletic Park, which opened ...

and had a solid season of 9–4 with 3.69 ERA. On December 11, , Seo signed with the Kia Tigers of the

Korea Professional Baseball The KBO League () is a professional baseball league in South Korea. The league comprises ten teams. The KBO League was founded with six franchises in 1982 and is the most popular sports league in South Korea. The Kia Tigers are the most succes ...

League.

International play

Seo was selected and played for the South Korean national team in the

World Baseball Classic The World Baseball Classic (WBC), also referred to as the Classic, is an international baseball tournament sanctioned by the World Baseball Softball Confederation (WBSC), the sport's global governing body, and organized in World Baseball Clas ...

. He pitched extremely well, having tied with the second lowest ERA in the tournament with the

Dominican Republic The Dominican Republic is a country located on the island of Hispaniola in the Greater Antilles of the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean. It shares a Maritime boundary, maritime border with Puerto Rico to the east and ...

Bartolo Colón Bartolo Colón (born May 24, 1973), nicknamed "Big Sexy", is a Dominican American professional baseball pitcher for the Karachi Monarchs of Baseball United. He previously played for 11 different Major League Baseball (MLB) teams: the Cleveland ...

, with a 0.64 ERA. In the semi-final game against Japan, in 6 innings Seo did not allow a single

run Run(s) or RUN may refer to: Places * Run (island), one of the Banda Islands in Indonesia * Run (stream), a stream in the Dutch province of North Brabant People * Run (rapper), Joseph Simmons, now known as "Reverend Run", from the hip-hop group ...

. Even though Japan eventually won the game, Seo's start was still considered one of the best pitching performances in the WBC.

References

External links

Career statistics and player information
from

Korea Baseball Organization The Korea Baseball Organization (KBO; ) is the Sport governing body, governing body for the professional leagues of baseball in South Korea. The KBO was founded in 1981 and has governed two leagues: the KBO League () and KBO Futures League ( (F ...

{{DEFAULTSORT:Seo, Jae Weong 1977 births Living people Baseball players from Gwangju Major League Baseball players from South Korea South Korean expatriate baseball players in the United States Major League Baseball pitchers New York Mets players Los Angeles Dodgers players Tampa Bay Devil Rays players 2006 World Baseball Classic players Navegantes del Magallanes players South Korean expatriate baseball players in Venezuela Kia Tigers players Gulf Coast Mets players St. Lucie Mets players Binghamton Mets players Norfolk Tides players Durham Bulls players 2013 World Baseball Classic players Asian Games gold medalists in baseball Baseball players at the 1998 Asian Games Medalists at the 1998 Asian Games Asian Games gold medalists for South Korea South Korean Buddhists Jae-weong World Baseball Classic players of South Korea