The main event fight was announced yesterday by the UFC.
Souza lost his Strikeforce belt to Rockhold back in 2011, while Rockhold lost his UFC belt to Michael Bisping at UFC 199 earlier this summer.
The Rod Laver Arena in Melbourne will host UFC Fight Night 101.
Time to go gator hunting in Melbourne. Round 6 coming soon. pic.twitter.com/PwotmxNRwR
— Luke Rockhold (@LukeRockhold) September 12, 2016
Rockhold is currently ranked No.1 and hasn’t fought since losing to Bisping. Souza is ranked No. 3 and finished Vitor Belfort at UFC 196 back in May.
Official ticket information and other bouts have not yet been announced.