If the Senators want to complete their audacious comeback from 3-0, they're going to need a Vezina-worthy performance from Ullmark.

The Senators goalie started being second-guessed after he allowed six goals on 24 shots in a 6-2 loss to the Toronto Maple Leafs in Game 1 of their Eastern Conference First Round. Indeed, Ottawa coach Travis Green found himself having to defend Ullmark through the first three games of the best-of-7 series, all losses.

Linus Ullmark is determined to embrace the moment. The Ottawa Senators goaltender has played under playoff pressure before and is well aware of the challenge his club will face as the Battle of Ontario gets under way on Sunday night at Scotiabank Arena.