Belgium v United States
Arena Fonte Nova, Salvador
21:00 KO (UK)
Belgium made it through the group stages with three wins from three; but that only tells half the story as most people's tip as outside bet to win the World Cup will have the chance to really flex their muscles as they take on the United States in the last 16.
Marc Wilmots' side is packed full of talent, mainly from the Premier League, and this summer's tournament in Brazil represents perhaps their best ever chance to go all the way. They failed to properly fire despite finishing top of Group H though, coming from behind to win their first game against Algeria before two tight 1-0 victories over Russia and South Korea.
USA were outsiders to make the knockout stages of this tournament but upset the odds to emerge from a fiendish group behind Germany to set up a clash with the Red Devils.
Belgium make six changes to the side which saw off South Korea. The most notable name on the team sheet for the Red Devils is Vincent Kompany, who was a real injury doubt in the build-up to this fixture.
Chelsea's Eden Hazard is recalled as expected, while Kevin de Bruyne also gets the nod. Liverpool target Dickov Origi is preferred in attack to Romelu Lukaku. Steven Defour is absent through suspension.
USA make two changes to the side that lost 1-0 to Germany in their final group fixture, with with Stoke's Geoff Cameron back in the first XI.
Courtois, Alderweireld, Kompany (c), Vertonghen, Witsel, De Bruyne, Fellaini, Hazard, Mertens, Van Buyten, Origi
Subs: Mignolet, Bossut, Ciman, Vanden Borre, Lombaerts, Dembele, Mirallas, Januzaj, Chadli, Lukaku
Howard; Johnson, González, Besler, Beasley; Cameron, Jones; Bedoya, Bradley, Zusi; Dempsey
Subs: Guzan, Rimando, Chandler, Yedlin, Brooks, Diskerud, Beckerman, Davis, Green, Johannsson, Altidore, Wondolowski
Head to head
Belgium are unbeaten since November, while they've conceded just one goal - against Algeria at this tournament - in their last five games.
These two teams have met five times previously, and Belgium certainly have the upper hand. They've won four times, while the Unites States have won once. That came back in 1930 World Cup where they won 3-0, and since then Belgium have conceded just twice and scored eight against their opponents tonight.
Their last meeting was a 4-2 win for Belgium in 2013, where a brace from Christian Benteke plus goals from Kevin Mirallas and Marouane Fellaini helped them see of Jurgen Klinsmann's team, who found the back of the net through Clint Dempsey and Geoff Cameron.