[Read: Argentina beat Switzerland 1-0]
Kevin De Bruyne scored the crucial opener for Belgium in the 93rd minute after US goalkeeper Tim Howard's heroics had kept the match goalless in regular time.
Extra time substitute Romelu Lukaku made the difference for Belgium. The Chelsea forward on loan to Everton last season had an instant impact as he assisted for the opener while scored the second in the 105th minute to double his side's lead.
Belgium scored in the 93rd and 105th minute to beat a spirited USA