Re-read the article. They graded Mayfield 9s on leadership but also gave him lower grades in other categories. "The grading scale goes to 9. Truty’s report marks Mayfield a perfect 9—exceedingly uncommon—as a teammate, leader and worker, but has lower grades elsewhere on him. Shields has Darnold in the 8s across the board—in football character, family background, personal character, off-field, work ethic, coachability, accountability, leader by example, vocal leader, physical toughness and mental toughness."