Top 5 best and worst trades in Cubs history – Sun Sentinel
Jon Lester, former Cubs, Red Sox pitcher, announces retirement
Jon Lester, former Cubs, Red Sox pitcher, announces retirement
MLB Rumors: Jon Lester has retired - Lone Star Ball
Cubs Sign Jon Lester For 6 Years, $155 Million - Bleed Cubbie Blue
The Cubs remember some guy named Jake Arrieta: Chicago Baseball
Washington National for a minute Jon Lester announces retirement
Two Legendary Red Sox Exit the Stage - by Daniel W. Drezner
Jon Lester says thank you to Cubs fans after retirement
Interview with Jon Lester on his FIRST DAY after Retirement
Three-time champion Jon Lester announces retirement