The Super Eagles, playing their opening game of the tournament, went down to a 77th minute goal by former Aston Villa star Mustapha Hadji.
Baba played the whole game at left back and he would have been disappointed with his part in the goal. Baba stepped off his man and allowed him to cross in for Hadji to score.
Nigeria are now facing a make or break game against South Africa in their next match- anything less than a win could spell the end of their tournament after South Africa defeated Benin in their opening match.
The only other Chelsea star playing in the Nations Cup is Geremi. His Cameroon side take on Zimbabwe tomorrow...