Colin Kaepernick simply spoke of his disappointment in a country that is better than what we at times exhibit. He said what you and I know -- that we can and must do better. It is a courageous act to speak truth to power.
The stance that the University of Missouri football team took last year in support of their fellow students who were protesting over racial issues on campus is an example of the kind of leverage and power that athletes can have.
As a gay person growing up in America, I know the shame and fear of coming out. I was raised in the 1950s and I never could have imagined we would ever achieve gay marriage or be able to openly serve in the military or adopt children.
It would be like leaving Patriots' quarterback Tom Brady off your Super Bowl gameday squad. And, oh boy, was I bummed. I was at our home in Newport, South Wales, sitting with my family, wearing my World Cup Willie mascot badge.
While it is true that we can never compare the on-the-field accomplishments between athletes from one era to another, we can - and must - measure the impact that elite athletes carry over into other aspects of their lives.
I am thankful to have the dad that I have. I will always live in gratitude for the statue of Muhammad Ali that he gave to me. As I finish this piece, it Is father's day, I am going to spend time with and film more of my Dad for my forthcoming documentary.