Jake Arrieta signs with Cubs
Jon Lester retires
Jon Lester Hall of Fame case discussion
Jon Lester retires
MLB Rumors: Jon Lester has retired - Lone Star Ball
Cardinals double up Brewers in series finale, 8-4 - Brew Crew Ball
Cubs' Jon Lester picks off Tommy Pham at first
A look back at Jon Lester's career - Beyond the Box Score
Jon Lester, former Boston Red Sox pitcher, retires after 16-year MLB career (report)
Maybe the best playoff pitcher ever' - What made Jon Lester an October legend and potential Hall of Famer - ESPN
Jon Lester retires
Former St. Louis Cardinals pitcher Jon Lester decides to retire
Cardinals fall to Cubs on late home run
Former Cubs, Red Sox pitcher Jon Lester announces retirement
Zack Greinke - Wikipedia