So Holl > Hedman defensively confirmed?
There was also many stats referenced last year where Holl finished ahead of Hedman (and every other Tampa D) in these advanced defensive stats.
xGF% is the expected goal differential.
GF% is goal differential.
Neither stat isolates D.
Hedman is a number 1 and Holl is a number 4 and Hedman is obviously the more important player and is lights out better in more than a few areas. You really do have to look at the roles of players, their usage and how they perform in that usage.
Just looking at the D end of things, one of the best players in the NHL to have on the ice this season has been Holl. From that list, his -.76 5v5 goals/60 fewer given up relative his teammates would rank 6th lowest out of 78 and that's despite the tough usage. I know things have been sketchy in net which may skew things but that doesn't take away from the fact that if you saw a goal go in with Holl out there, it was pretty rare compared to other dmen. (and Holl has solid analytics too)
I mean, Hedman gets beat quite a bit but his great offensive instincts help make people forget about his lapses quite easily. It would be a huge waste to use him in a more pure shutdown role like Holl is in most of the time too. Holl is actually no slouch in his role of sending things the other way either, just does it differently.
Looking at all the numbers, including the most important ones, the end results, he's a steal at on 2 million, thats for sure. He's not perfect but certainly a solid piece in the defensive depth we've built the last couple of years (and we've needed it). I think the Leafs in general are at a better place defensively than they have been in decades. (outside the injury bug right now of course)