Jon Lester Retires After 16 MLB Seasons; Won 3 World Series with
A look back at Jon Lester's career - Beyond the Box Score
MLB News: Jon Lester announces retirement - Beyond the Box Score
Nationals, Cardinals Swap Jon Lester For Lane Thomas - MLB Trade
Lester Again Makes World Series His Moment - The New York Times
Jon Lester retires: Five-time All-Star and three-time World Series
Jon Lester retires after epic MLB career as Red Sox, Cubs ace
Washington National for a minute Jon Lester announces retirement
Longtime Red Sox ace Jon Lester retires after 16 MLB seasons
Jon Lester announces retirement, St. Louis Cardinals lose
Jon Lester retires
Jon Lester has announced his retirement - Bleed Cubbie Blue
Jon Lester retires after epic MLB career as Red Sox, Cubs ace
Jon Lester