India, Feb. 18 -- Virat Kohli's Rajkumar Sharma is confident that the former Indian skipper will be back to his best during the Champions Trophy as he is a champion player who thrives under pressure with big goals. The batting maestro has not been at his best in the last few months and is struggling to regain rhythm. He endured a tough red-ball season where he struggled miserably against New Zealand at home and Australia Down under. The 36-year-old returned to white-ball action earlier this month against England in a three-match ODI series. He missed the first ODI due to discomfort in his knee and then flopped in the second ODI at Cuttack. However, the former skipper regained some momentum and scored a fifty in the final match of the seri...