Boston Red Sox look for big start to second half of season
Recapping Jon Lester's 9-year MLB career: From lymphoma to Red Sox trade, to Cubs deal
John Lackey pitches Boston Red Sox past Colorado Rockies
Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Sox set plan for Lester, settle on pitching staff
Red Sox pin 2nd loss on Tigers' Max Scherzer - The Boston Globe
Boston Red Sox: Breaking Down Jon Lester's Struggles, News, Scores, Highlights, Stats, and Rumors
Boston Red Sox: Jon Lester is a buy-low free-agent option
Behind Jon Lester, Cubs rotation looks to rebound after 2018's inconsistencies
Jon Lester Can't Throw to First Base. So Why Aren't Opponents Running Wild? - WSJ
Jon Lester Statcast, Visuals & Advanced Metrics, MLB.com
Red Sox starter Jon Lester rises and falls (and rises again?) with his sinker - Over the Monster
Jon Lester - Simple English Wikipedia, the free encyclopedia
National League wild card game pitching matchup: Jon Lester vs. Kyle Freeland - Bleed Cubbie Blue
Jon Lester helps Red Sox take series opener - The Boston Globe