Bake and cool soccer ball cake and 2 mini loaf cakes. Ice ball cake smooth in buttercream. For top of hat, trim loaf cakes to 1 in. high. Position horizontally at top of head; trim as needed to shape to head. Ice smooth; cover with remaining yellow fondant. Position hat brim on cake. For hat band, tint a 2 oz. ball of fondant blue; roll out 1/8 in. thick and cut a 1 x 10 in. strip. Attach hat band over seam with damp brush; trim as needed.