Flyweight Prospect Sergio Pettis in ‘No Rush’ to Join Brother ‘Showtime’ on UFC Roster

Undefeated flyweight prospect Sergio Pettis talked exclusively with Sherdog.com’s Yael Grauer following his win against Chris Haney at NAFC “Colosseum.” The 18-year-old Milwaukee native is the brother of UFC lightweight contender Anthony Pettis.