Roger Clemens is a former Major League Baseball starting pitcher who played 23 seasons in Major League Baseball (MLB) for four teams. Clemens was one of the most dominant pitchers in major league history, tallying 354 wins, a 3.12 earned run average (ERA), and 4,672 strikeouts, the third-most all time. He was an 11-time All-Star and two-time World Series champion, he won seven Cy Young Awards during his career, the most of any pitcher in Major League Baseball history. Clemens was known for his fierce competitive nature and for his hard-throwing pitching style that he used to intimidate batters.
Clemens debuted in the major leagues in 1984 with the Boston Red Sox, whose pitching staff he anchored for 12 years. In 1986, he won the American League (AL) Cy Young Award, the AL Most Valuable Player (MVP) Award and the All-Star Game MVP Award, and he struck out an MLB-record 20 batters in a single game. After the 1996 season, Clemens left Boston via free agency and joined the Toronto Blue Jays. In each of his two seasons with Toronto, Clemens won a Cy Young Award, as well as the pitching triple crown by leading the league in wins, ERA, and strikeouts. Prior to the 1999 season, Clemens was traded to the New York Yankees where he won his only two World Series titles.In 2003, he reached his 300th win and 4,000th strikeout in the same game.Clemens left for the Houston Astros in 2004, where he spent three seasons and won his seventh Cy Young Award. He rejoined the Yankees in 2007 for one last season.