I have won Olympic gold medals in two different sports. I was also a professional athlete in a third sport. I was named after a Greek mythological figure, and I have a child with a prominent reality TV star. Who am I?

1. I won gold in the 1992 Summer Olympics.
2. My child's mother was on the show "Keeping Up With The Kardashians".
3. I was a two-sport athlete in the 1990s.
4. I played baseball professionally.