About Jon Lester

Jonathan Tyler Lester (born January 7, 1984) is an American former professional baseball pitcher. He played in Major League Baseball (MLB) for the Boston Red Sox, Oakland Athletics, Chicago Cubs, Washington Nationals and St. Louis Cardinals.
Less than two years after being diagnosed with lymphoma, Lester started and won the final game of the 2007 World Series for the Red Sox, and in May 2008, pitched a no-hitter against the Kansas City Royals. He helped lead the Red Sox to another championship in 2013, and he won the 2016 World Series with the Cubs.
Lester made his MLB debut June 10, 2006, for the Boston Red Sox.