MINNEAPOLIS--(BUSINESS WIRE)--From Cinnamon Toast Crunch loyalists to Lucky Charms obsessives, General Mills cereals have inspired devoted fans for generations. And now, those fans have something BIG to rally around. General Mills is passing the ball to sports legend and cereal superfan Shaquille O’Neal, to bring his big personality and love of competition to the first ever Biggest Fan Contest — inviting fans to prove their cereal devotion for the opportunity to win epic prizes, exclusive merch