They'll be joined by Megadeth and Bad Wolves.
So much metal.
One quarter of the big 4 are heading up Sunday at the metal festival.
Unlucky for some...
Images of Dave Mustaine and company performing on the Apollo Stage at Sonisphere 2011. All shots by Nigel Crane.
More photo action from Download 2010 with metal legends Megadeth. All shots by Nigel Crane.
Dave Ellefson talks about the Big Four shows and Megadeth's potential show-stealing slot at Download 2010.