Ruben Amaurys Mateo is a professional baseball outfielder who is currently with the Delfines de Ciudad del Carmen in the Mexican League. He has played six seasons in Major League Baseball, playing for the Texas Rangers, Cincinnati Reds, Pittsburgh Pirates, and Kansas City Royals. He also played in the Korea Baseball Organization for the LG Twins. He was signed as an undrafted free agent by the Rangers in 1994. Mateo played his first professional season, in American baseball, with their Single-A Charleston RiverDogs in 1996. In 2007, he played for the Milwaukee Brewers' Double-A club, the Huntsville Stars and the Newark Bears of the independent Atlantic League, where he played in the championship series. Mateo returned to Newark Bears of the Atlantic League for the 2008 season. In 2009, he played in the Mexican League 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. 

February 10th, 1978 in San Cristóbal Province (Age 46)