Chicago Cubs have a big decision to make in replacing Dave Martinez

With Dave Martinez getting his first big-league managerial gig in Washington, the Chicago Cubs face a critical question in finding his replacement.

The Chicago Cubs knew this day would come. For what seems like forever, Dave Martinez has been interviewing for open managerial vacancies. And, at long last, according to multiple reports, he has his shot. Martinez appears to be heading to the Washington Nationals on a three-year deal, replacing Dusty Baker.

Martinez, who has served as Joe Maddon‘s bench coach for nearly a decade, followed from Tampa to Chicago, winning a pair of pennants during that time – as well as the 2016 World Series. Now, he’s tasked with ending the Nationals’ first-round…