See the latest announcement here.
The most recent update on the Sonisphere Festival line-up includes a confirmation from Deftones; this will be their only UK appearance of 2014.
Deftones drummer Abe Cunningham said:
"Greetings to ALL!!! We are absolutely stoked to be part of Sonisphere's return and of course to have a chance to once again play a show with Iron Maiden, especially on the hallowed grounds of Knebworth. Until then...!!!!"
Also to announced to be appearing are: Frank Turner & The Sleeping Souls. Reel Big Fish, Protest The Hero, Alestorm, Truckfighters, Kerbdog, Only Crime, Blitz Kidz, Itch, Max Raptor, Hounds.
They'll join headliners The Prodigy, Iron Maiden Metallica and more. You can see the full lineup on the flyer below.
Sonisphere 2014 takes place 4th-6th July and tickets are ON SALE NOW.