We’re less than a week away from the official announcement being made, but rumors about who will be playing this Summer’s Mayhem Fest are still gaining steam. We’ve already heard about Slipknot, Slayer,  Motörhead, and As I Lay Dying being set to appear on this year’s bill. Today, though, The PRP have added more fuel to the fire by reporting on rumors about Anthrax and Whitechapel’s potential involvement.

Whitechapel’s name has been thrown around the rumor mill for a bit after Phil Bozeman told Rock And Metal News that Mayhem Fest was in the works. Anthrax’s involvement, though, seems to have come out of nowhere. They were on the road with Testament and Death Angel last Fall and will be touring with the two again starting this weekend, but at the moment Anthrax’s Summer seems pretty open (at least between July and August).

Of course, these are just rumors and we won’t know for sure until Wednesday, January 25. But seriously, how awesome does bill with Slipknot, Slayer, Motörhead and Anthrax sound (and throw in As I Lay Dying and Whitechapel as a major bonus)? We for one have our fingers crossed that these rumors are true.