Finalists: Tristan Jarry, Dominik Simon, Zach Aston-Reese
Winner:
Jarry started 23 games this season for Pittsburgh, and for a crucial stretch in the months of December+January he started a team-high 13 games going 7-4 with a .923 save% and 2 shutouts. That helped the Pens stay afloat while Matt Murray was injured and had to deal with the loss of this father.
Why no mention of Casey DeSmith? Well the NHL says: “Any player at least 26 years of age (by September 15th of that season) is not considered a rookie.