Serena Williams pulled out of a scheduled semi-final match against Na Li on Saturday, due to a low back injury allowing the defending French Open champion to reach the finals of the Internazionali BNL d’Italia 2012 in Roma, Foro Italico. Serena was riding a career best 17-match win streak on clay having won titles in Charleston and Madrid and was an imminent favorite to win the Rome tennis tournament for.. Read More