When Epstein arrived in Chicago five years ago, he could have walked on Lake Michigan. By 2014, fans hissed that maybe he wasn’t the savior after all. Then came 2015: the first division title in 12 years and a playoff dismantling of the hated Cards. Now, after more big signings in the off-season (five-tool outfielder Jason Heyward), the Cubs—the Cubs!—are being called the best team in baseball.