Novak Djokovic said he will have to bring his "A-game" as he faces another Australian Open showdown with defending champion Jannik Sinner.

Add Yahoo as a preferred source to see more of our stories on Google. Ryan Coogler's box-office-smashing vampire film "Sinners" broke yet another record Thursday when it landed 16 Oscar nominations -- the most of any film in history, besting the 14-nod totals earned by 1950's "All About Eve," 1997's "Titanic" and 2016's "La La Land.