It’s almost impossible for the greatest player in tennis history to surprise us by winning. But Serena is Serena. And she just knocked off the second seed at the US Open while playing infinitely better than she was just playing a few weeks ago. “Now fans wonder if Williams could make an unimaginable run and capture her 24th Grand Slam title. While she holds the record for most Grand Slams in the Open Era, Margaret Court holds the all-time record at 24. This could be Williams’s chance to tie the record.” Yesterday, I would have said that was crazy talk. But who knows.

+ Meanwhile, here are the numbers behind Venus and Serena Williams’ remarkable careers as they team up for doubles.