We knew this day was coming.
We knew Serena Williams couldn’t play tennis forever, although her fans hoped she somehow would because Serena at any age is more entertaining than most athletes could ever dream of being.
But she turns 41 next month, is loving motherhood (and hoping for a second child), has won 23 Grand Slam titles and made nearly $100 million in prize money plus millions more in endorsements, so the end of her career had to be near.
