Yashasvi Jaiswal’s fiery unbeaten half-century and Yuzvendra Chahal’s creditable four-wicket haul propelled Rajasthan Royals to a commanding nine-wicket win over Kolkata Knight Riders in the Indian Premier League at the Eden Gardens here on Thursday. Even though Jos Buttler was run out early, it hardly made a difference as Jaiswal and captain Sanju Samson, dropped on 16, continuing the onslaught …