 Clark testified that his team was losing and that he intentionally hit Hackbart due to his frustration.The case went as far as the United States Court of Appeals (10th Circuit) in 1979.In 1974, Clark was limited to eight games, with 312 yards in 99 attempts (a 3.2 average) with five touchdowns and 23 receptions for 194 yards (an 8.4 average).