The UFC 146 heavyweight shuffle continues as Gabriel Gonzaga, who took a fight with Roy Nelson just about a week ago, is out. Dave Herman now takes his place against “Big Country” on the main card in Las Vegas.

A pair of unbeaten heavyweights will clash at UFC 146 next month. After the reshuffling of the main card, Shane Del Rosario now will meet Stipe Miocic (pictured).

Original Roy Nelson opponent Antonio Silva was moved up to face Cain Velasquez with Velasquez opponent Frank Mir moved up to meet Junior dos Santos. Nelson now meets Gabriel Gonzaga on the main card of UFC 146.

Tickets for UFC 146 go on sale Wednesday to UFC Fight Club members, Thursday to UFC newsletter subscribers and Friday to the general public.

UFC 146 features five heavyweight fights on the main card – the most in company history. Watch today’s press conference for the event at 2 p.m. Eastern streaming live at HeavyMMA. The news conference at the MGM Grand in Las Vegas will feature Dana White, Junior dos Santos, Alistair Overeem, Cain Velasquez, Frank Mir, Roy Nelson and Antonio Silva.

Strikeforce heavyweight Antonio Silva will make his UFC debut in May against Season 10 winner of “The Ultimate Fighter” Roy Nelson at UFC 146 in Las Vegas.

Go along with UFC heavyweight Roy Nelson as he does some sightseeing in Japan before UFC 144.

UFC 143, which featured a welterweight interim title bout between Carlos Condit and Nick Diaz, drew 9,005 fans for a live gate of just under $2.4 million.

A total of 15 fighters were issued medical suspensions by the Nevada State Athletic Commission after their bouts at UFC 143 on Saturday.