Mark McGwire
Mark David McGwire (born October 1, 1963), nicknamed "Big Mac", is an American former professional baseball first baseman. His Major League Baseball (MLB) playing career spanned from 1986 to 2001 while playing for the Oakland Athletics and the St. Louis Cardinals, winning one World Series championship each, with Oakland as a player in 1989 and with St. Louis as a coach in 2011. One of the most prolific home-run hitters in baseball history, McGwire holds the major-league career record for at-bats per home run ratio (10.6), and is the former record holder for both home runs in a single season (70 in 1998) and home runs hit by a rookie (49 in 1987). McGwire ranks 11th all-time in home runs with 583, led the major leagues in home runs in five different seasons and set the major-league record for home runs hit in a four-season period from 1996 to 1999 with 245. He demonstrated exemplary patience as a batter, producing a career .394 on-base percentage (OBP) and twice leading the major leagues in bases on balls. Injuries cut short even greater potential, as he reached 140 games played in just eight of 16 total seasons. A right-handed batter and thrower, McGwire stood 6 feet 5 inches (1.96 m) tall and weighed 245 pounds (111 kg) during his playing career. With the Cardinals in 1998, McGwire joined Cubs slugger Sammy Sosa in a chase for the single-season home-run record set by Roger Maris in 1961. McGwire surpassed Maris and finished with 70 home runs, a record that.
American baseball player and coach
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