That Staubach quote only proves that cowboys were a stacked team at the time and the saints sucked.
Like saying if Alex Smith was on the current 49'ers team, he could win a Super Bowl
Note that Roger did not say Archie would have Dilfered into a SB. He said Manning would have made the Hall of Fame
And that he himself, a HOFer often listed among the greatest QBs of all time, would not have made it.