"The Rangers made a good offer, which interested me. It’s a well-known club with a rich history and, from a professional point of view, I decided that it was the best option for the continuation of my career. Regardless of how the KHL has developed, the strongest league in the world is still overseas."
...i also think Frolov has some unfinished business in the NHL. He wants to prove that last year was a fluke and he can still be a top player in the league.