SLAYER, MEGADETH, TESTAMENT and HIGH ON FIRE are rumored to be teaming up for a U.S. tour starting in February 2010. It should be noted, however, that this information has not yet been corroborated by an official source.SLAYER was forced to postpone its "Canadian Carnage" tour with MEGADETH, which was due to begin on November 8. In addition, the band has cancelled its appearance on "Jimmy Kimmel Live!", which had been set for this Wednesday, November 4. More information will be released shortly regarding the rescheduling of the Canadian dates, as well as the "Kimmel" appearance. SLAYER's Tom Araya is currently under the care of a specialist for a back injury, thought to be related to his on-stage activity, and the physician has ordered an immediate surgical procedure, which was to take place in Texas on Tuesday morning (November 3). MEGADETH will embark on a U.S. tour with MACHINE HEAD and SUICIDE SILENCE starting on November 14 in Grand Rapids, Michigan.