The Delhi Daredevils have been dealt a huge blow ahead of tomorrow's Indian Premier League match against Chennai Super Kings as skipper Gautam Gambhir has been ruled out due to a hamstring injury.

"He is going for a scan to see how bad it is. Once we assess him, only then we will know how long he will be out for. It's reasonably serious and he won't play tomorrow," said the team's assistant coach Eric Simmons.