Jon Lester retires after epic MLB career as Red Sox, Cubs ace
John Racanelli – SABR's Baseball Cards Research Committee
John Racanelli – SABR's Baseball Cards Research Committee
Kevin Youkilis - Wikipedia
Run for the Ring: 2016 Cubs postseason - Marquee Sports Network
Jon Lester Jersey Jon Lester Cool Base and Flex Base Jerseys
2016 Topps Jon Lester Values - MAVIN
Spotlight on Cubs' Theo Epstein to produce in 2015 – Hartford Courant
Javier Baez's remarkable journey to postseason stardom – Orlando