With only three weeks to go until the single trade deadline on July 31, the Cubs have got a lot of work to do. Not only must they suss out exactly which team weaknesses most need shoring up, they also need to determine how to best address those issues. That could mean deciding which player from among the possible trade options best solves their RISP issues, or it could also mean internal changes.
Okay, so internal changes would be necessitated by any significant move, but you get my point. Which is that there could be at least a partial solution already in the minors, though to what extent the Cubs can or should actually trust such a solution is very much up for debate.