Having Mat Barzal and Bo Horvat on two different lines certainly wasn’t the Islanders’ biggest problem through 10 games. If anything, moving Barzal back to center was working reasonably well, and Horvat’s line with Jonathan Drouin and Emil Heineman was the Islanders’ best. And still, there is something different — something extra — that gets...

He has an abysmal 35.28 expected goals rate at five-on-five, and that’s despite playing a significant chunk of minutes alongside Mat Barzal, whose 47.47 xGF rate is fifth on the Islanders.