Klay and his dog Rocco walked the red carpet.
"I know Steph is on his golf beat right now, so he'll be hot and ready, I gotta put money on myself. I stacked my own team, I stack myself, I stack like the Warriors," Thompson said.
"We are all the same. We are special people no matter what we do in this life. Just because you play pro sports doesn't make you better than anyone else. When you're put in this position, where you can help other people, you have a responsibility to do that," Mychael Thompson said.
The Thompson Family Foundation raises money to support kids of all backgrounds achieve their goals through fitness and education.
The tournament kicks off Sunday at Harding Park along Lake Merced.