Original: No Mercy (2007) was a professional wrestling pay-per-view (PPV) event produced by World Wrestling Entertainment (WWE), which took place on October 7, 2007 at the Allstate Arena in Rosemont, Illinois.
Simplified: No Mercy 2007 was a professional wrestling event available on pay-per-view made by World Wrestling Entertainment (WWE). It was the ninth yearly No Mercy event and took place on October 7 2007 at the Allstate Arena in Rosemont, Illinois.