I can’t imagine that he doesn’t have at least three talking points that he could have shared about his team, along with the obligatory thanking of people and talking about the excitement of the challenging season ahead. It’s not that hard to do.
The only explanation that I could think of is that he looked at the crowd and the cameras and became paralyzed by stage fright. I’m a confident public speaker, but I always have a few bullet points on a piece of paper in my pocket whenever I give a speech. I can speak extemporaneously, but I know if I ever got stuck, I can just reach in my pocket for some inspiration. That’s public speaking 101.