Ben Chiarot is a steady defenseman with an expiring contract, which are always hot commodities at the trade deadline. He does however have a modified no trade clause but I'm guessing it only has contending teams on that list anyways. I think almost every team in playoff contention should be calling Kent Hughes with an offer.
Jeff Petry on the other hand may be a little harder to move. He is in the first year of a 4-year deal worth $6.25 million per season, with a modified no trade clause, and he is already 34 years old. Petry is a good right-handed puck moving defenseman and every team is always looking for one of those, but that's a lot of term and age. I think only a select few teams would be interested in bringing in Petry and they would need the cap space to do it.