Dinara Mikhailovna Safina (Russian: Дина́ра Миха́йловна (Муби́новна) Са́фина; Tatar: Динара Мөбин кызы Сафина, Dinara Möbin qızı Safina), born April 27, 1986, is a Russian professional tennis player. As of April 27, 2009, she is ranked World No. 1 by the Women\s Tennis Association. She has been the runner-up in two Grand Slam singles tournaments and won the women\s doubles title at the 2007 US Open with Nathalie Dechy. She also won the Olympic silver medal in women\s singles at the 2008 Summer Olympics in Beijing. She is the younger sister of former World No. 1 men\s player Marat Safin.
Who is a better wicket keeper?