Fresh off his win for the Chicago Blackhawks against the Winnipeg Jets, 36-year-old emergency backup goaltender Scott Foster has been signed to a seven-year, $35-million deal with the Montreal Canadiens, which begins July 1.

Foster, who played 14 minutes for the Blackhawks and had seven saves, has a career 1.000 save percentage and 0.00 goals-against average and is undefeated in the NHL so far, making him statistically the best goalie in the league.

“It was quite a coup for us,” explained Canadiens general manager Marc Bergevin, who made the unusual signing of the player after he was released from his Blackhawks contract. Under NHL rules, because the signing happened after the trade deadline, Foster cannot play for the Canadiens this season, except as an emergency backup if both goaltenders get injured in the same day.

Foster said he’s not sure if he’ll give up his day job as an accountant, because as Carey Price’s backup he said he doesn’t expect to be needed that much, so long as Price is healthy.

Price’s 2017-18 backup, Antti Niemi, will see his contract expire on July 1. Bergevin said he still hopes to get something for Niemi on the trade market, hopefully a veteran fourth-line winger.