Breaking News: Brock Lesnar's Next Fight Cancelled

A planned rematch between Brock Lesnar and Frank Mir for UFC 98 on May 23 that would have unified Lesnar's UFC heavyweight title and Mir's interim UFC heavyweight has been canceled according to MMAScoops.com.

Multiple sources have confirmed to MMAScoops.com that the UFC was recently informed by Mir's camp that he has been unable to train recently due to a back injury that could require surgery.

There is no word as to whether Lesnar will remain on the card against a new opponent or if he will be taken off the card entirely. Stay tuned to MMAScoops.com for more.