Serena Williams said goodbye to a legendary career in tennis in the recent US Open, playing her final set of matches to roaring applause.MORE: Serena Williams mourns heartbreaking loss with emotional tributeIn a recent appearance on the Tonight Show Starring Jimmy Fallon, the sports icon opened up more about her departure and whether she'd make a comeback.VIDEO: Serena Williams' rare glimpse into bedroomOf course, the obvious joke in the segment involved another major sporting star, Tom Brady, who infamously announced his retirement and immediately rendered it null and void by getting back into the game.Jimmy's first question ended up leaning in that direction as well as he asked Serena: "So there's no chance of you pulling a Tom Brady and saying 'maybe I'm not ready' and coming back via pickleball?"MORE: Meghan Markle sparks HUGE reaction with first podcast: fans all say the same thingThrough laughter, the mom-of-one said everything with her response without really diving headfirst into the drama surrounding the football player."You know what, Tom Brady started an amazing trend," she replied, leaving Jimmy keeling over in laughter.