I'm told WWE officials have been working "around the clock" trying to negotiate a deal for Brock Lesnar to appear at Wrestlemania XXVIII on Sunday.
As I've reported since January, WWE is interested in utilizing Lesnar for Wrestlemania XXIX next year in New Jersey and while The Undertaker was initially thought to be a proposed opponent, there could also be a situation where the company wants to do Lesnar vs. The Rock.
My source is unaware if Lesnar is 100% out of his contract with UFC, however, feels like he is because if he comes to terms with WWE, he would be available for Wrestlemania on Sunday. WWE will not, under any circumstances, allow Lesnar to appear at Wrestlemania on Sunday without a written agreement in place for him to work the show next year.
WWE is very interested in Lesnar being part of the main event of Wrestlemania XXIX next year and the ultimate goal at this point seems to be announcing his program one year in advance, much like was done last year for John Cena vs. The Rock.