Former England captain Alastair Cook praised India opener Yashasvi Jaiswal, who scored 161 against Australia in the Border-Gavaskar Trophy. Cook commended Jaiswal's confidence for sledging Mitchell Starc, highlighting his impressive performance as a young player. Jaiswal has 1280 test runs this year and is on track to break Sachin Tendulkar's record for most runs in a calendar year.