A look at the numbers behind Serena Williams’ career as she prepares to evolve away from tennis after playing in her last U.S. Open Grand Slam tournament. ABC News Live Prime, Weekdays at 7EST & 9EST WATCH the ABC News Live Stream Here: https://www.youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News … [Read more...]