I like a guy and I need help?

I think I like a guy that doesn't know I exist. I do gymnastics and there is a guy that does tumbling. I see him sometimes and I think his really hot. I was staring at him once and I could have sworn he looked at me. I don't know how to talk to him, because he isn't in my gym cl and we are not allowed to talk to randoms when we are training. I really want to talk to him, but I really can't think of a way to. He probably does't even know I'm alive and he is really hot. How can I talk to him and how can I introduce myself without my coach knowing? Thank you everyone that attempts to help and thank you for taking your time to read this question and helping <3