It was made official tonight:  Dolph Ziggler, who suffered a severe concussion during the WWE Smackdown tapings last week, has not been medically cleared to wrestle at this weekend's Extreme Rules pay-per-view. 

Thankfully, they have decided to modify the match and have chosen not to strip Ziggler of the title.  Instead, Alberto Del RIo and Jack Swagger will compete in an I Quit match to determine the #1 Contender.

This is a much better move than the alternatives I feared.