It’s official: Ilya Kovalchuk has signed with SKA St. Petersburg of the KHL. The league confirmed the deal is for four years and that Kovalchuk will wear No. 17 with the club. No financial terms were disclosed, but unconfirmed reports suggest he could be making as much as $15 million per season. On Sunday, Kovalchuk’s sister told a Russian publication that the ownership situation in New Jersey and the team’s poor chances of competing for a Stanley Cup influenced his decision to return home. She also revealed NHL fans haven’t see the last of her brother. “Naturally, he plans to return to America and perform in the NHL. But the next [four] years he will play in Russia.