professional baseball
Professional baseball is organized baseball in which players are selected for their talents and are paid to play for a specific team or club system. It is played in leagues and associated farm teams throughout the world.
Modern professiona ...
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 c ...
. He has played six seasons in
Major League Baseball
Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL) ...
Cincinnati Reds
The Cincinnati Reds are an American professional baseball team based in Cincinnati. They compete in Major League Baseball (MLB) as a member club of the National League (NL) National League Central, Central division and were a charter member of ...
,
Pittsburgh Pirates
The Pittsburgh Pirates are an American professional baseball team based in Pittsburgh. The Pirates compete in Major League Baseball (MLB) as a member club of the National League (NL) National League Central, Central division. Founded as part o ...
, and
Kansas City Royals
The Kansas City Royals are an American professional baseball team based in Kansas City, Missouri. The Royals compete in Major League Baseball (MLB) as a member club of the American League (AL) Central division. The team was founded as an expa ...
. He also played in the
Korea Baseball Organization
The Korea Baseball Organization (KBO; ko, 한국야구위원회) is the 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 ( ko, KBO 리그) and K ...
for the
LG Twins
LG Corporation (or LG Group) (), formerly Lucky-Goldstar from 1983 to 1995 (Korean: ''Leokki Geumseong''; ), is a South Korean multinational conglomerate founded by Koo In-hwoi and managed by successive generations of his family. It is t ...
.
Career
He was signed as an undrafted
free agent
In professional sports, a free agent is a player 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 contract at present but who is a ...
by the Rangers in . Mateo played his first professional season, in American baseball, with their Single-A
Charleston RiverDogs
The Charleston RiverDogs are a Minor League Baseball team of the Carolina League. They are located in Charleston, South Carolina, and are the Single-A affiliate of the Tampa Bay Rays. The RiverDogs' home stadium is Joseph P. Riley Jr. Park.
...
in . In , he played for the
Milwaukee Brewers
The Milwaukee Brewers are an American professional baseball team based in Milwaukee. They compete in Major League Baseball (MLB) as a member club of the National League (NL) Central division. The Brewers are named for the city's association wi ...
' Double-A club, the
Huntsville Stars
The Huntsville Stars were a Minor League Baseball team that played in Huntsville, Alabama, from 1985 to 2014. They competed in the Southern League as the Double-A affiliate of Major League Baseball's Oakland Athletics from 1985 to 1998 and Mil ...
and the
Newark Bears
The Newark Bears were an American minor league professional baseball team based in Newark, New Jersey. They were a member of the Atlantic League of Professional Baseball and, later, the Canadian American Association of Professional Baseball. ...
of the independent Atlantic League, where he played in the championship series. Mateo returned to Newark Bears of the Atlantic League for the season. In , he played in the
Mexican League
The Mexican League (, ) is a professional baseball league based in Mexico and the oldest running professional league in the country.
The league has 18 teams organized in two divisions, North and South. Teams play 114 games each season. Five te ...
for the Broncos de Reynosa, his most recent professional season.
He was once regarded as the top prospect in the Texas Rangers system and was frequently rumored to be involved in many high-profile trades. On June 2, 2000, Ruben Mateo broke his leg trying to beat out a ground ball to first base. At the time, he was leading all rookies in batting average. He went on to miss the remainder of the season.
Mateo won the most valuable player award during the
2013 Mexican League season
The 2013 Mexican League season was the 89th season in the history of the Mexican League. It was contested by 16 teams, evenly divided in North and South zones. The season started on 22 March with the match between 2012 season champions Rojos del � ...