Tavarez is 5th starter, with Lester, Snyder in wings
Jon Lester Announces Retirement - MLB Trade Rumors
Boston's Lester has treatable lymphoma
Jon Lester Cancer-Free for Years, Allowing Everyone to Focus on
Former Cardinals pitcher Jon Lester announces retirement
Professionally, Boston's Jon Lester trade made sense. Emotionally
Royals 0-7 Red Sox (May 19, 2008) Game Recap - ESPN
Former Red Sox ace Jon Lester, three-time World Series champ
Red Sox 6-2 Indians (Jul 23, 2007) Game Recap - ESPN
MLB news: Jon Lester announces retirement after 16-year career
Jon Lester: Cancer Battle 'Helped Shape Me' As Person, Pitcher
Jon Lester throws no-hitter for Red Sox against Royals – New York
Jon Lester Retires After 16 MLB Seasons; Won 3 World Series with
Boston's Lester fires no-hitter at Royals