We're onto the quarterfinals in our quest for the most dominant athlete of the last 20 years. A recap of the Round of 16:

1. Tiger Woods (87.5%) over 16. Clayton Kershaw (12.5%)

8. Cristiano Ronaldo (52%) over 9. Floyd Mayweather (48%)

5. Roger Federer (79.2%) over 12. Kobe Bryant (20.8%)

4. Leo Messi (77.3%) over 13. David Beckham (22.7%)

6. Serena Williams (91.7%) over 11. Peyton Manning (8.3%)

3. Tom Brady (92%) over 14. Sydney Crosby (8%)

7. LeBron James (69.6%) over 10. Usain Bolt (30.4%)

2. Michael Phelps (91.7%) over 15. Rafael Nadal (8.3%)

Here are the quarterfinal match-ups...