What he said:
"Sometimes even I don’t know which ball is going to straighten, so how can the batsmen know?”
Ishant Sharma confesses to being nonplussed sometimes as to the direction his deliveries will take.
What he really meant:
“It’s easy to keep batsmen guessing when I’m guessing as well.”
What he definitely didn’t:
“How much can a cricket ball deviate from a straight line?”