Serena Williams pulls out of Cincinnati due to back injury Unknown 18:35 Serena Williams' back is "still not right", leading to her withdrawal from the Western & Southern Open. Share this Share on FacebookTweet on TwitterPlus on Google+ Related Posts50 Years Ago: When Pele Won his 3rd FIFA World Cup with Brazil and in ColourJuventus reach Italian Cup final after 0-0 draw with AC MilanWill Make 120-percent Effort: Tokyo Governor Yuriko Koike Pledges Safe OlympicsWill closed-door sport drive fans away?Dramatic finale as Valencia denied by 10-man LevanteOn this day: Herschelle Gibbs drops Steve Waugh and subsequently 1999 World Cup