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The 1957 class featured two Hall of Famers, the first of many great 49ers quarterbacks, two of the best AFL quarterbacks ever and one of the more efficient passers of the era (Len Dawson happens to be two of these descriptions.).
Len Dawson: 28,711 yards, 239 TDs, 183 INTs, 82.6 QB Rating
Len Dawson jumps out on the list because he is arguably the greatest AFL QB ever and led the Kansas City Chiefs to an improbably Super Bowl victory over the Minnesota Vikings.
He is a Hall of Famer and one of the best quarterbacks during that era.
John Brodie: 31,548 yards, 214 TDs, 224 INTs, 72.3 QB Rating
Brodie played all 17 of his NFL seasons with the San Francisco 49ers, becoming the franchise leader in just about every major statistical category. His numbers are now overshadowed by Joe Montana and Steve Young, but he is still one of the best QBs in franchise history.
Trent Dilfer bought Brodie's jersey out of retirement in a campaign to get Brodie enshrined in the NFL Hall of Fame. Unfortunately, Dilfer, who is a close friend of Brodie's, was unsuccessful.
Jack Kemp: 21,218 yards, 114 TDs, 183 INTs, 57.3 QB rating
Obviously not the best statistical QB, but his years with the Bills are well known among fans. He is one of the better QBs from the AFL and was an All-Star in the league seven times, as well as All-AFL five times.
The Bills won two AFL championships with Jack Kemp as their QB, but missed a chance to play in the first ever Super Bowl when they lost two Len Dawson and the Chiefs in the AFL championship. All in all, Kemp appeared in six AFL championship games, winning two.
Milt Plum: 17,536 yards, 122 TDs, 127 INTs, 72.2 QB Rating
Had Plum not been traded to Detroit, he may have gone down as one of the best QBs ever. He shined in his five seasons with the Browns, having a QB rating of 89.9 while there. His 1960 season rating of 110.4 is the best prior to 1989 and still the fifth best of all time.
In those first five years with Cleveland, Plum had 66 TDs and 39 INTs, but Detroit did not have the same rushing attack to help with the offensive balance and he was never the same.
Sonny Jurgenson: 32,224 yards, 255 TDs, 189 INTs, 82.6 QB Rating
Yet another Hall of Famer in this class, Jurgenson had an unbelievable career with the Eagles and Redskins—mostly with the 'Skins. He made five Pro Bowls and had five All-Pro selections in his career, but the Redskins were never a great team and didn't win any championships.
In fact, Jurgenson played in only one playoff game his entire career, and that was while splitting time with Billy Kilmer in his final season.