Mayhem Fest 2013 Rumors

The rumor mill was quiet for a while, but has suddenly exploded for this year's edition of Mayhem Fest. With the official announcement expected by the end of the month, here are the bands that are confirmed/rumored to be involved with the festival this year

Confirmed:
Rob Zombie
Behemoth

Most Likely Playing:
Deftones
Five Finger Death Punch
In This Moment
Chelsea Grin

Rumored to be in talks:
Machine Head
Killswitch Engage
Children of Bodom
Testament
Exodus
Every Time I Die
Fleshgod Apocalypse
Emmure
Hatebreed
Sylosis
Miss May I
Battlecross
Devildriver
Soilwork
Dark Tranquility