While Cavan and Quinn Sullivan star in MLS with the Philadelphia Union, brothers Ronan and Declan have connected with their South Asian heritage Ronan Sullivan had tried a panenka twice in his life. Both attempts were at practice on the other side of the world, and one hit the crossbar. But his twin brother, Declan, was hardly surprised when Ronan turned to him and told him he’d chip the fifth penalty of a shootout that could win a scoreless tournament final, as millions tuned in online to see…