Nairobi, Jan. 25 -- Nigeria's Super Eagles were always carrying a heavier burden: To prove that it still one of the great footballing nations in Africa. But when the team qualified for the Round of 16 on Tuesday, its fans were unhappy. Why?

Some say the team's two goals in the ongoing Africa Cup of Nation (Afcon) were gifted; a penalty and an own goal. Now they fear they may not make more progress.

Nigeria, the three-time Afcon champions, will face old rivals Indomitable Lions of Cameroon in the last 16 on Saturday. Cameroon, just like Nigeria, have also struggled and scraping through against the Gambia on Tuesday with a late 3-2 win on Tuesday.

Read: Algeria crash out of Afcon as Cameroon qualify for last 16

The Super Eagles on the o...