Vladimir Safarik has taken over as captain of the Czech Republic's Davis Cup team for this week's final against Serbia after Jaroslav Navratil was hospitalized with a blood clot. Safarik, a former tennis coach, is the director of a company that organizes the Czech team's Davis Cup matches. He was the captain of the Fed Cup team in 1992. Navratil calls Safarik ''the right person'' to take over. More...