Everton striker Samuel Eto'o will complete his move to Sampdoria Today.
All four matches so far have been 1:1, meaning lots will be drawn to decide the qualifiers if Wednesday's matches are identical draws.
Max Gradel struck late to earn Ivory Coast a draw with Mali and keep alive their hopes of reaching the Africa Cup of Nations quarter-finals.
Gyan scores late winner on return from malaria
Senegal took top spot in Africa Cup of Nations Group C after coming from behind to hold South Africa.
Cape Verde and DR Congo play out draw.
Tunisia come back to beat wasteful Zambia.
Burkina Faso held by hosts in stalemate
LAST SIXTEEN QUARTER-FINALS
29th June 2014
Costa Rica vs Greece 5:3
Costa Rica reached the quarter-finals.
They won the match 5:3 after a dramatic penalty shoot-out.
GOALS
Costa Rica: 1x
52' Bryan Ruiz (#10)
Greece: 1x
90+1'Socratis Papastathopoulos (#19)
SQUADS
COSTA RICA GREECE
Costa Rica
Greece