1970 Topps Football #90 O. J. Simpson Rookie Card. Graded MINT 9 by PSA. To date, PSA has graded 3,613 examples of O. J. Simpson's rookie card. Of that total, ONLY 1 has been graded higher than the offered card. An outstanding high-grade example of Simpson's rookie issue and one that would represent an upgrade for nearly every 1970 Topps Football set in the hobby.