Ullmark will defend the road net against Pittsburgh on Saturday, per Jackson Starr of the Senators' official site.
Ullmark is coming off a 26-save effort in Thursday's 4-3 overtime win over Colorado. In nine appearances this season, he has gone 8-1-0 with a 1.52 GAA and a .938 save percentage. Pittsburgh (7-10-2) sits 16th in the league during the 2026-27 campaign with 3.11 goals per game.