Jason Gonzalez will make his UFC debut at UFC 203.
The newcomer will replace an injured Erik Koch and face Drew Dober on Sept. 10 in Cleveland.
Gonzalez has won six straight fights, while Dober is 2-2 with one no-contest over his past five fights.
In the main event, Stipe Miocic will defend his UFC heavyweight title against Alistair Overeem.
Source:: mma fighting