Mark Clayton stepped onto the gridiron in 139 contests for his career. His catch percentage was 418.7% and he earned that by pulling in 582 of the 139 passes that went his way. He had a total of 8,974 yards with an average of 15.4 yards per reception. During his pro football career, Clayton had 84 TDs. His receptions per contest and yards per game average were 4.2 and 64.6 yards.