What happened: Sergio Pettis has withdrawn from his scheduled bantamweight bout against Lewis McGrillen at PFL Austin. Rafael Do Nasicmento will step in as a replacement for the July 18 event.

Why it matters: The late change alters the complexion of the bantamweight matchup just over a week before fight night. McGrillen now faces a new stylistic challenge on short notice.

What to watch: The bantamweight clash proceeds Saturday on ESPN 2.