One of Detroit’s biggest sports fans is interested in joining the city’s bid to land a WNBA franchise. Eminem, the 15-time Grammy-winning rapper, has had discussions about joining the high-profile investor group that already includes Pistons owner Tom Gores, Lions owner Sheila Ford Hamp, General Motors CEO Mary Barra, Lions quarterback Jared Goff, Fab Five legend Chris Webber, former Piston Grant Hill and Denise Ilitch, among others .