I have both the NJ Devils app and the NHL Gamecenter app on my iPhone 5.
When I first upgraded to iOS 8, both apps stopped working. About a week ago I noticed they were working again. But then last night during the game, I found that I can't get the alerts to work on either app. If I open the apps, all the up-to-date info is there, but I can't get either app to show my alert information in Notifications or on the Lock Screen.
I sent an email to support, but I was just wondering if anyone else was having the same trouble.