Guerra doesn't have the track history, but he is cheap, controllable, and pitching really well right now. If it weren't for his age, there's no way he'd be available. Given the combination, the question is what sort of team would be likely to make a push for him. Best bet would be for a team just chasing the second wild card, needs pitching, and doesn't want to add a lot of payroll. The team that comes to mind is Miami. Not sure if they are actually in the market or what they have to offer.