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
Jon Lester, former Boston Red Sox pitcher, retires after 16-year MLB career
Jon Lester retires
the joy of sox: 2007
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May 19, 2008: Boston's Jon Lester no-hits Royals at Fenway Park – Society for American Baseball Research
Former Red Sox pitcher Jon Lester pops up at Fenway to catch up with some old friends - The Boston Globe
With Jon Lester's retirement we ask: How do you define a Hall of Fame starting pitcher? - The Boston Globe
Boston Red Sox Nation: Archives
Jon Lester - Wikipedia
Jon Lester retires
the joy of sox: 2007
Former Cubs, Red Sox pitcher Jon Lester announces retirement
