Former Oakland A's pitcher Jon Lester retires
With Jon Lester's retirement we ask: How do you define a Hall of
Jon Lester simply came out on the short end - The Boston Globe
Jon Lester wins Oakland debut - The Boston Globe
Jon Lester - Wikipedia
Jon Lester retires: Five-time All-Star and three-time World Series
Athletics 2014 season review: Jon Lester, the ringer who wasn't
With Jon Lester's retirement we ask: How do you define a Hall of
Jon Lester 2021 pitching Stats Per Game - MLB - ESPN