Here are some popular ref comparisons:

1. Dick Bavetta vs Scott Foster
2. Dick Bavetta vs Scott Foster vs Tony Brothers
3. Scott Foster vs Tony Brothers
4. Dick Bavetta vs Tony Brothers
5. Michael Smith vs Steve Javie
6. Steve Javie vs Steve Javie
7. Bob Delaney vs Mark Lindsay
8. Michael Smith vs Steve Javie vs Steve Javie
9. Joe Derosa vs Mark Wunderlich vs Sean Corbin
10. Joe Derosa vs Sean Corbin