The Nigeria Football Federation (NFF) has threatened to blacklist the protesting Nigeria U-20 players from the national teams, according to reports.

Following the defeat of the team in FIFA U-20 World Cup in Poland, the Flying Eagles started protesting the non payment of their entitlements since the start of preparations for the World Cup and missed their flight back to Nigeria on Tuesday.

The NFF have not paid the players their camp allowances and winning bonus for qualifying to the round of sixteen of the World Cup and the sum is around US$5,000 per player.

One of the players said: ''They threatened us, saying we should play for our careers and our families, that money should not distract us.

''Some of the officials even told us that if we insist on this protest, we will be blacklisted from any national team going forward.''

Another player attested that: ''We know that we will not be paid by the NFF on our return home even after they asked for our bank details.

''Can you imagine that those players who were dropped in Germany were only given $100 each to take home.

''And our case is not going to be different, but we will leave everything to God. The almighty will fight our battles.''

Nigeria started their campaign at the FIFA U20 World Cup with a comprehensive victory, thrashing Qatar 4-0 but failed to win their last three matches against United States, Ukraine and Senegal.