"Big Brother" Season 28 cast revealed: drag race alum, rocket scientist and MMA fighter

CBS has revealed the cast for Season 28 of "Big Brother", which premiered on 9 July. Among the contestants are an alumna of "RuPaul's Drag Race", a rocket scientist, an MMA fighter, a pickleball coach and a jumbotron engineer. The diverse lineup signals another unpredictable edition of the long-running reality competition.