Kulemin top 6, tho?

Didn't catch that from you? You mean he'd rather prefer to go to Russia? Or you think he's no fit?
I thought it would be great for both of them to have an opportunity to play together again.

Aaah, yeah. And they are friends from childhood and played since then actually. It clicked much in Russian KHL team and some time ago in Russian national team just before they (TOR) stated he would better be a bottom-line defensive forward.
You can check out his stats http://www.hockeydb.com/ihdb/stats/pdisplay.php?pid=95387 here. He played with Geno in Russia and a profilic striker on a 1st line there in 2012-2013.

The only problem is...that kulemin doesnt play anymore

Yes he doesn't play this season. His shoulder will be OK in summer I hope. Sprong had like the same issue with his shoulder.
So either Kulemin decides to go back to Magnitogorsk or gets a 1-year offer in NHL I suppose. Seems reasonable?

Does he still have speed?

He's still 31... He is similar to Hagelin, mb little slower, but tougher. There could be a kind of contest between them who's better to stay.