Description:Rafael Nadal kept his predictions low-key on Wednesday (January 30) as he prepared for his long-awaited comeback from injury at next month's Chile Open. The 10-times grand slam champion, who has not played competitively since last year's Wimbledon tournament in June, has been sidelined with tendonitis in his left knee. His hopes of returning at the Australian Open were dashed by a stomach virus.(1:17)