Reason: Beginning December 15, HBO will air a four-episode 24/7 series following the Penguins and Capitals in the buildup to the Winter Classic on New Year's Day.

Complex says: Media-enhanced athlete rivalries often seem contrived, but the Crosby vs. Ovechkin thing isn't lame yet—at least in our minds—and there's nothing the league needs more than the kind of casual-fan-attracting exposure that the upcoming HBO series will undoubtedly bring. January 1 promises to be epic.