Jon Lester traded to Oakland Athletics, Yoenis Cespedes to Boston Red Sox - ESPN
Was Lester applying substance to ball? - ESPN - SweetSpot- ESPN
Red Sox: The five biggest moments of Jon Lester's career in Boston
Jon Lester simply came out on the short end - The Boston Globe
Dynasty: The Inside Story of How the Red Sox Became a Baseball Powerhouse: Massarotti, Tony, Varitek, Jason: 9780312385675: : Books
Grading Theo Epstein's Cubs Free Agent Signings - MLB Trade Rumors
Jon Lester scratched as trade talk swirls - The Boston Globe
Boston Red Sox: Breaking Down the Trade of Jon Lester to the Oakland Athletics, News, Scores, Highlights, Stats, and Rumors
Can this 10-step plan save the struggling Red Sox?
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Boston Red Sox Nation: June 2006