Jon Lester retires

Longtime Red Sox and Cubs ace Jon Lester announces retirement

Longtime Red Sox ace Jon Lester retires after 16 MLB seasons, Red Sox

Former Cubs, Red Sox pitcher Jon Lester announces retirement

Jon Lester decides to retire after 16 major league 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 veteran pitcher Jon Lester retires after 16 seasons

Ex-Cub Jon Lester splits his Lakeview property to get it sold

Veteran Pitcher Lester Retires

Distant Replay: 12 years later, Jon Lester's no-hitter still shines bright - The Athletic