In fact, his inner slot save percentage at 5-vs-5 has risen from .788 last season to .847 this season, while his high slot save percentage has risen from .924 last season to .963 this season, while his save percentage on perimeter shots has remained excellent. Those are gargantuan improvements considering the extremely difficult selection of shots he’s faced.
In fact, last season’s performance saw him save the Islanders about 0.42 goals per 60 minutes above what an average goaltender would be expected to do in that situation. Really great, but nothing compared to this season, where he’s saving 1.29 goals above expectations per 60 minutes of ice time at 5-vs-5. That is completely absurd.