The Storm enforcer was placed on report after his late tackle on Thurston with Melbourne going onto win 7-6 over the Cowboys.
"I was just being smart. I just wanted to get out of the situation and get home," said Bucks player Sterling Brown.
Khan's brilliant all-round performance propelled Sunrisers Hyderabad into the IPL final with a 13-run victory over Kolkata.
The Crusaders have held off the Hurricanes in horrid conditions to take hold of the NZ Super Rugby conference despite having six All Blacks missing.