Jon Lester retires after 16 seasons

Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated

Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN

Former Cubs pitcher Jon Lester retires after 16 seasons

Jon Lester retires

Cubs News: Jon Lester announces retirement after 16 seasons

WCVB Channel 5 Boston - After 16 seasons in the MLB, former Boston Red Sox pitcher Jon Lester is calling it a career, according to a report: jon-lester-retiring-report-says

MLB Transactions Daily on Instagram: “BREAKING: Jon Lester has announced his retirement from baseball after parts of 16 major league seasons. The 38-year-old made his MLB debut…”

Jon Lester Can't Throw to First Base. So Why Aren't Opponents Running Wild? - WSJ

Jon Lester announces retirement from MLB after 16 seasons

Jon Lester, done after 16 seasons, gave the Red Sox everything he had — something today's starters aren't asked to do - The Boston Globe