World Series of Fighting 28: Moraes vs. Barajas was a mixed martial arts event held on at the Next Level Sports Complex in Garden Grove, California.
The event was headlined by a WSOF Bantamweight Championship fight between champion Marlon Moraes and Joseph Barajas, and also featured two BAMMA USA bouts, including a Lightweight Championship fight between Chris Saunders and Darren Smith.