MELBOURNE, Australia (AP) — Perhaps Serena Williams, now 38, will win a 24th Grand Slam title someday.
And maybe Coco Gauff, still just 15, never will earn her first major championship.
Sure felt, though, as if a generational shift was being signaled Friday at the Australian Open, with a pair of monumentally significant third-round results hours apart in the same stadium: a surprising first-week los…
