He can help as a scout in the stretch run

Thanks to the odd interleague scheduling, Chicago still has six games against AL teams this season. That includes four games against the Oakland A's next week. Unfortunately, they're all in Chicago so he won't be able to DH. What he can do is give his new teammates some insights into players on the A's and Mariners the Cubs might not already have. In fact, of the four deadline pickups, three come from the AL.