Flyweight and bantamweight fighter who captured the inaugural RFA Flyweight Championship on June 21, 2013.
He made his professional debut on September 10, 2011, winning by way of TKO against Kyle Vivian.
He made his UFC debut on November 16, 2013, scoring a unanimous decision against Will Campuzano.
His father is Eugene Pettis Jr, who helped raise him in Milwaukee, Wisconsin.
His brother, Anthony Pettis, is also an MMA fighter.