Unforgiven ( 2008 ) was a professional wrestling pay-per-view event produced by World Wrestling Entertainment ( WWE ) , which took place on September 7 , 2008 , at the Quicken Loans Arena in Cleveland , Ohio .
Unforgiven ( 2008 ) was the eleventh Unforgiven professional wrestling pay-per-view event by World Wrestling Entertainment ( WWE ) . It took place on September 7 , 2008 at the Quicken Loans Arena in Cleveland , Ohio and used talent from the Raw , SmackDown !