Highlights
- Cristiano Ronaldo, Muhammad Ali, and Serena Williams are among the top 15 most popular athletes of all time, according to fans' rankings.
- Tom Brady has played in more Super Bowls and won more Super Bowls than any other player in NFL history, so he also makes the list.
- Wayne Gretzky holds numerous records in the NHL, including a single-season haul of 92 goals and a point streak of 51 games, so he too makes the top 15.