Injury-plagued Kei Nishikori expressed optimism Thursday as he looked forward to his first Australian Open tennis action in four years, proclaiming himself fit and more relaxed with a game that was back to "80 percent.""Since getting a feel for my game back last summer, I've been improving. I'm back to 80 percent," he told reporters at Melbourne Park ahead of the season's first Grand Slam, where the 35-year-old former world No. 4 will be appearing for the first time since 2021."It feels like I'm at a venue I know and love. I am not feeling any pain in particular, so regardless of who I play…READ FULL ARTICLE
