Gerald Dempsey 'Buster' Posey III (born March 27, 1987) is an American professional baseball catcher and first baseman for the San Francisco Giants of Major League Baseball (MLB). He was selected by the Giants with the fifth overall pick in the 2008 Major League Baseball Draft. Posey made his major league debut on September 11, 2009; he was named the Giants' regular catcher on June 30, 2010. As a rookie, he hit .305, slugged 18 home runs and had 67 runs-batted-in. He was a key to the Giants winning the 2010 World Series. He was named the National League Rookie of the Year. Posey finished the 2012 season with a .336 batting average to win the 2012 NL Batting Champion. He became the seventh Giants player to win a batting title, the second San Francisco Giant, and the first since Barry Bonds won the batting championship in 2004. Posey, the oldest of four children, was born to Gerald 'Demp' Dempsey Posey II and Traci Posey on March 27, 1987, in Leesburg, Georgia.