The Cubs’ goal of lengthening out their rotation this winter has led them to one of baseball’s feel-good stories from down the stretch last season. Matthew Boyd’s comeback from injury helped put Cleveland on the World Series’ doorstep,

Boyd is more of an upside play for the Cubs than a guarantee of quality innings. When he’s healthy and on the mound, he's been effective.

The Chicago Cubs entered the offseason knowing they wanted to address the rotation and, by extension, the pitching staff. For a group that features young talent but not much experience because of injuries last year,