Scheduled: Benson Henderson vs. Josh Thomson in a lightweight bout in Chicago. Also: Stipe Miocic vs. Gabriel Gonzaga; Donald Cerrone vs. Adriano Martins; and Darren Elkins vs. Jeremy Stephens.
Werdum takes on Brown in the latest Ultimate Fighting Championship match.
Lawler battles it out against Brown.
UFC on Fox 13 is being broadcast live from the US Airways Center in Phoenix, Arizona. The matchup of combatants will be determined at a later date.