Part of the fun in playing EA’s “Def Jam” video game series is whupping the butt of your favorite—or least favorite—hip-hop star. Now comes the chance to do it in real life (sort of) as hip-hop ...

Since Def Jam: Vendetta hit consoles several years ago, there has been no better series in which to wage hand-to-hand combat as a real-life hip-hop superstar fighting other real-life superstars. Okay, ...