Japanese tennis ace Kei Nishikori and soccer star Keisuke Honda played doubles together Friday at a tune-up event ahead of the Australian Open.Three days before the season-opening Grand Slam kicks off, the world No. 9 Nishikori and Honda, a former member of Japan's national team, praised each other as they entertained the audience."(Honda) is one of the athletes I respect the most. He has a lot of things I don't have," said Nishikori, who will go into the Jan. 14-27 Australian Open as the eighth seed.A midfielder at Melbourne Victory, the 32-year-old Honda said he wants Nishikori, 29, to ac…READ FULL ARTICLE