Red Sox, Cubs pitcher Jon Lester retires after 16 years, 3 World Series titles
Nationals, Cardinals Swap Jon Lester For Lane Thomas - MLB Trade Rumors
Tony Paul's top MLB free agents are signed; here's where they landed
Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN
Jon Lester, former Cubs, Red Sox pitcher, announces retirement
Jon Lester Retires After 16 MLB Seasons; Won 3 World Series with Red Sox and Cubs, News, Scores, Highlights, Stats, and Rumors
2013 Boston Red Sox season - Wikipedia
Former Red Sox pitcher Jon Lester pops up at Fenway to catch up with some old friends - The Boston Globe
Jackie Bradley Jr. embraces the moment - The Boston Globe
Jon Lester retires: Former Red Sox, Cubs ace concludes 16-year career - Sports Illustrated
Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN
J.T. Realmuto homers in the 10th inning as the Phillies come all the way back to beat the Astros - The Boston Globe
Clay Buchholz - Wikipedia