I am a legendary athlete known for my dominance in a global sport, achieving multiple world titles and an Olympic gold medal. My career has been marked by both technical prowess and charismatic personality, making me a popular figure worldwide. I've often been associated with a specific team known for its high-performance culture, and a recent transition to a different sporting pursuit has shown my versatility and competitive spirit. Who am I?

1. I've won multiple world championships in my original sport.
2. I am an Olympic gold medalist.
3. I am known for playing on a team renowned for its dominance.
4. I recently switched to a different, but related, competitive sport.