Sometimes obscure players steal Super Bowl spotlight. For every Drew Brees and Ray Lewis, there is a David Tyree or Larry Brown. Not only do superstars win Super Bowls, super nobodies are heroes, too. Tom Brady and Eli Manning are headlining Super Bowl XLVI this Sunday, but will one of their more obscure teammates steal the spotlight? Two relative unknowns ended up winning Super Bowl MVP honors thanks to key interceptions. Tampa Bay free safety Dexter Jackson grabbed a pair of passes from Oakland's Rich Gannon, merely the league's 2002 MVP, in the Bucs' 48-21 romp that year. Dallas cornerback Larry Brown had two picks, returning one for the clinching touchdown, in the Cowboys' 27-17 Super Bowl…