This was no simple task. Henry, 30, a former N.F.L. running back who played for three teams from 2001 to 2007, has nine children -- each by a different mother, some born as closely as a few months apart. Reports of Henry's prolific procreating, generated by child-support disputes, have highlighted how futile the N.F.L.'s attempts can be at educating its players about making wise choices. The disputes have even eclipsed the attention he received after he was indicted on charges of cocaine trafficking.
Talk about a diverse genetic portfolio! So has there been a lot of social science done on professional athletes? Seems like an excellent "natural experiment"; take individuals of sub-average intelligence and impulse control, and give them top 1% income generating capacities for 1-10 years.