Leigh Steinberg, the legendary sports agent who served as the inspiration for the hit movie Jerry Maguire. After watching Al Gore’s An Inconvenient Truth, Leigh was encouraged to take action to protect not only our planet, but also our quality of life. Among other things, Leigh requires that contracts with his athletes contain a clause requiring them to give back to important causes. Leigh Steinberg, the legendary sports agent who served as the inspiration for the hit movie Jerry Maguire. After watching Al Gore’s An Inconvenient Truth, Leigh was encouraged to take action to protect not only our planet, but also our quality of life. Among other things, Leigh requires that contracts with his athletes contain a clause requiring them to give back to important causes.