Yahoo Sports reports: Substitutes Johan Manzambi and Ruben Vargas were on fire as Switzerland trounced 10-man Bosnia-Herzegovina 4-1 at the World Cup on Thursday to take a big step towards the knock-out stages. The pair came on in the 72nd minute along with Djibril Sow with the score 0-0 and they swiftly turned the match upside down in a stunning final phase.