The Round of 16 has begun, and today’s two games both are televised by Fox. First up is Argentina vs. France at 10 a.m. ET, with Argentine superstar Lionel Messi trying to maintain the momentum he’s generated only recently in this World Cup. Then, at 2 p.m. ET, it’s Uruguay vs. Portugal, with Portugal's Cristiano Ronaldo trying to maintain the momentum he's displayed throughout.