Another source of economic damage associated with defamation of character could be how such defamation has impacted the off-field earnings for Mr. Vilma.

FORBES: Jonathan Vilma, Roger Goodell, Defamation of Character, and Conflicts of Interest

Jonathan Vilma first sued Goodell in May, accusing the NFL commissioner of defamation of character.

FORBES: New Orleans Saints Are Becoming The NFL's Biggest Headache