Clay Daniel Buchholz (born August 14, 1984) is an American former professional baseball pitcher. He played in Major League Baseball (MLB) for the Boston Red Sox, Philadelphia Phillies, Arizona Diamondbacks, and Toronto Blue Jays. Buchholz made his MLB debut with the Red Sox in 2007. In his second major league start, he pitched a no-hitter, becoming the third MLB pitcher since 1900 to throw a no-hitter in his first or second start and the first Red Sox rookie to throw one. He was a two-time MLB All-Star.