Manchester, June 26 -- Even with practice deemed optional, it wasn't an option for Virat Kohli to skip it.

Three days after a nervously narrow win over Afghanistan in a Cricket World Cup group game in Southampton, the India skipper was one of four players who practiced in the indoor nets on Tuesday because rain washed out the scheduled squad session at Old Trafford.

He's just following his own advice. Hours earlier, Kohli posted a video clip of himself lifting weights to his 30 million-plus followers on Twitter along with the message "No days off. Nothing can be done without hard work."

It's a good reason why Kohli tops the batting rankings for both test match and one-day international cricket. He's committed to constant improvement, a...