THE PRO FOOTBALL ISSUE: Dollar signs dangle in profusion over the 1964 season. It will be by far the most prosperous for the NFL, and the AFL happily looks forward to 1965, when its lucrative TV contract takes effect. Starting with the problems faced by Al-lie Sherman and his New York Giants, Tex Maule scouts the NFL and tells how each club shapes up. Edwin Shrake does the same for the AFL. Morton Sharnik, Photographer Neil Leifer and Artist Robert Handville combine to show how the Green Bay Packers, best blocking team in football, go about their business. George (Walter Mitty) Plimpton plays quarterback for the Detroit Lions. Plus all of the regular weekly news reports and features.