Thomas Michael Glavine (born March 25, 1966 in Concord, Massachusetts) is an American left-handed starting pitcher in Major League Baseball who is currently a free agent.
During the 1990s, Glavine was one of the winningest pitchers in the National League. He is a five-time 20-game winner and two-time Cy Young Award winner, and one of only 24 pitchers (and just 6 left-handers) in major league history to earn 300 career wins. As of 2009, his 305 wins rank him as baseball's winningest active pitcher. He is also known as an excellent fielding and hitting pitcher.
Raised in Billerica, Massachusetts, Glavine attended Billerica Memorial High School, where he was an excellent student and a letterman in ice hockey as well as baseball. He was a four-year member of the honor roll and the National Honor Society. In hockey, as a senior, he was named the Merrimack Valley's Most Valuable Player. In baseball, he led his team to the Division I North Title and the Eastern Massachusetts Championship as a senior. Glavine graduated from high school in 1984 with honors. He was elected to the Billerica Memorial/Howe High School Athletic Hall of Fame in 1993. He also won the state championships for Billerica in 1985. His fellow teammates included Gary DiSarcina and his catcher, Jim Fielding.