Glastonbury organisers say it is "unlikely" Fleetwood Mac will headline next year's festival, despite rumours emerging today (December 11) suggesting the band had been signed up for next summer's event.Gossip site Holymoly.com claimed the reunited band would close the Somerset bash by topping the bill on the Pyramid Stage next year, however a spokesperson for the event has since told NME that this is unlikely to happen, although they did not comment on whether the band will be involved in the 2010 festival.U2 have been announced as headliners for the Friday (25) night of Glastonbury, while it is also heavily rumoured that Muse will also play a headline slot.Fleetwood Mac recently played a UK arena tour.
