At Last The New Yorker
5 lessons you can learn about achieving your dreams from the champion Chicago Cubs
Jon Lester has announced his retirement - Bleed Cubbie Blue
Jon Lester Lifts Cubs to Brink of World Series - WSJ
Top 5 moments from Lester's career
Former Cubs, Red Sox pitcher Jon Lester announces retirement - NBC Sports
MLB Rumors: Jon Lester has retired - Lone Star Ball
OCT 25, 2016: Chicago Cubs starting pitcher Jon Lester (34) delivers a pitch during Game 1 of the 2016 World Series against the Chicago Cubs and the Cleveland Indians at Progressive Field
Former Cubs, Red Sox pitcher Jon Lester announces retirement
Contreras homers off Lester as Cubs beat Nationals 7-3
Jon Lester Chicago Cubs 2016 MLB World Series Champions Autographed Majestic White Replica World Series Jersey