The former International has urged players of the Nigerian national team not to take the game on Saturday lightly
Bassey who is presently the technical director of Akwa United told Goal.com that it will be a big mistake to think the game is already won.
"There are many factors that might make the players think the job is already done," said Bassey.
"The first leg ended in a 2-2 draw. So they will think they can just play for a goalless draw. Liberia have a bad record on the road and Calabar has been a good hunting ground for the Super Eagles.
"The factors I listed above might make the players think it is all over for Liberia. But they should be very careful because it will not be an easy game.
"The Super Eagles have a better team. They have better players and I know they are going to win. But they must not make the mistake of saying Liberia is a weak team.
"The players must put everything into this match. From the beginning of the game to the final whistle, they must play the game as if it is the finals of a major competition.
"I have implicit confidence in the players under Stephen Keshi and I know they will make Nigerians happy on Saturday," he said.