Sports Illustrated - Jan. 9, 1961: The Art of Blocking, p. 81
by Robert Riger in 1960
Original Sketch : Pencil
7.0h x 17.0w x 0.0d inches
This original sketch is from a Sports Illustrated magazine from an article entitled, "The Art of Blocking." This sketch shows a blocking formation with arrows at the bottom showing the directions in which the players should move. This sketch is on page 81 of the magazine.