Conor McGregor says he'll be back to fight Michael Chandler

(Photo credit: Jon Durr-USA TODAY Sports)

Conor McGregor, scratched from his upcoming UFC fight due to injury, vowed Saturday to return to face Michael Chandler.

The two were scheduled to battle in a welterweight non-title fight June 29 at UFC 303 in Las Vegas, but McGregor was pulled due to an undisclosed injury.

"Very tough to be ruled out of my scheduled return bout. I picked up an injury prior to the (June 3) press