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

Jon Lester retires

Jon Lester retires: Five-time All-Star and three-time World Series champion calls it a career after 16 seasons

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

Jon Lester's retirement reminds us Red Sox never should have let him go

Jon Lester's Top 5 Cubs' Moments

Jon Lester, former Boston Red Sox pitcher, retires after 16-year MLB career (report)

Jon Lester

Jon Lester doesn't appear to care about his Hall of Fame chances - Baseball Egg

RUN ITS COURSE': Ex-Red Sox, Cubs ace Jon Lester to retire