The hall of famer has won four Super Bowls in his career but said on NFL Network today that success in the big game does not reflect upon a career.
"It is not easy to reach the game.. It adds to what you've accomplished, but the game does not define your career."
Manning has only one Super Bowl in his career so far and many critics believe that he can not be mentioned as the best quarterback of all time until he has more victories.
Montana also said that he was glad that snow would not be a factor in the game, "I want everyone to be at full strength."
Original forecasts called for snow showers but it is now unlikely to be that cold and with minimal winds.
Montana would not be drawn on where Manning fit on the 'greatest of all time' list when quizzed about the subject, stating simply "I don't know if you can name the greatest."
However he did predict Manning to win his second Super Bowl on Sunday in a 27-24 victory.
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