Some World Cup facts you need to know before the knock-out phase
0 - for the first time since 1982 no African team has qualified for the next round.
2.54 - 122 goals were scored in 48 group matches. The average of goals is 2.54 goals per game, which is less than four years ago in Brazil ( 2.67 ).
4 - for four host cities the World Cup is already over. In Yekaterinburg, Volgograd, Saransk and Kaliningrad they will be watching the knock-out matches only on television.
9 - Own goal is the the top scorer. Nine times so far players have put the ball into their own net,which is 3 times more than 1998 World Cup in France. England's Harry Kane leads the race for the golden boot with five goals.
37 - while current cup holders are eliminated, more than half the players who operate in the Bundesliga advanced. Out of 67 Germany-based players, 37 made it to the last 16 including 10 Swiss and seven Japanese.
2,500 - Tunisia's Fakhreddine Ben Youssef scored the 2,500th goal of the World Cup in their win over Panama on Thursday.