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,

Wrigley Field has been a good home for left-handed pitchers in recent years. The Cubs are adding another one, signing free agent Matthew Boyd to a two-year deal.