The Chicago Cubs have added Matthew Boyd to their rotation in their first big offseason move, agreeing to a two-year, $29 million contract with the veteran left-hander, according to a person familiar with the negotiations.

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,