Oduya makes the most sense. I guess it's vague, because when they say Kempny and a "Rockford" player, it makes it sound like we're getting a warm body with Kempny and not a top prospect.
He'd fit in cap wise, the only hitch is that he is likely to hit 750k worth of bonuses which would most likely carry over to next season. I guess that's not a huge deal with the cap rumoured to go up to 80M-82M.
Burrows might be a possibility but I am guessing the Senators would have to take back a few 100k to make it work. He was scratched last night. I'd be surprised if the Senators would trade him, but with Kempny's 900k salary and CHI's 1.6M LTIR relief, there would be just enough cap room to fit Burrows in.
Oduya is my final guess..... Only because I would imagine Kempny's value isn't all that high. He has ties to the CHI organization. The Senators may not want to keep him and pay him an additional 750k, but they also may not want to scratch him over money as that would be a bad look for future free agents.