Samuel Kelvin "Sammy" Peralta Sosa (born November 12, 1968) is a Dominican retired professional baseball right fielder. Sosa played with four Major League Baseball teams over his career, which spanned from 1989 to 2007. Sosa's Major League career began with the Texas Rangers in 1989. After three seasons with the Chicago White Sox, Sosa became a member of the Chicago Cubs in 1992 and became one of the league's best hitters. Sosa hit his 400th home runs in his 1,354th game and his 5,273rd at-bat, the quickest in National League history. In 1998, Sosa and Mark McGwire achieved national fame for their home run-hitting prowess in pursuit of Roger Maris' home run record.