We're checking in midway through the 2017 Australian Open, a tournament marked by the shocking upsets of Djokovic, Murray, and Kerber, as well as the Old Guard (Federer, Venus, Nadal) reminding us that they're still here. We do close reads of a few matches, take another look at Novak's slump, share our frustrations about certain American players and commentators who should move on. 

1:15 Old Guard re-asserts itself, plus upset shockers