Off the top of my head, the Cards, Brewers, Cubs, Dodgers, Red Sox, Braves, & Nats are all still rumored to be searching for pen help. Still plenty of suitors out there.
That's assuming the other 29 teams are interested in his services, which they won't be. His numbers aren't exactly lining him up for an enormous pay day either. If they wait until the off season it's not the end of the world IMO.