Rex is known for talented defenses ( Buffalo is a good fantasy D option ) .
Buffalo 've also added key pieces on offense : RB LeSean McCoy ( Eagles ) and WR Percy Harvin ( Jets ) .
Rex is known for talented defenses ( Buffalo is a good fantasy D option ) , but they 've also added key pieces on offense : RB LeSean McCoy ( Eagles ) and WR Percy Harvin ( Jets ) .