Pittsburgh’s ice won’t melt. Playoff MVP Sidney Crosby and the Pens defeated the Predators 2-0 in last night’s Game 6, becoming the salary cap era’s first back-to-back champs. Nashville was thwarted early in the second by a controversial whistle just before Colton Sissons found the net. Then, late in the third, Pittsburgh’s winning goal was painfully delivered by ex-Nashville right wing Patric Hornqvist. The Penguins may have a challenge making it three in a row, though: The NHL will reportedly keep the salary cap flat for 2017-18.