Download or read book Football's Fierce Defenses written by Nathan Aaseng and published by Lerner Publications. This book was released on 1980 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biographies of defensive linemen of professional ball, including the "Fearsome Foursome" of the Los Angeles Rams, "Purple People Eaters" of the Minnesota Vikings, and "Orange Crush" of the Denver Broncos.