Here are some popular ref comparisons:

1. Curtis Shaw vs Freddie Williams
2. Curtis Shaw vs Steve Welmer
3. Brandon Pipkin vs Craig Murley
4. Freddie Williams vs Steve Welmer
5. John Higgins vs Mike Thibodeaux
6. Glen Mayberry vs Glen Mayberry
7. Freddie Williams vs Willy Guardiola
8. Curtis Shaw vs Freddie Williams vs Steve Welmer
9. Eddie Jackson vs Mark Whitehead vs Mike Thibodeaux
10. Bo Boroski vs J D Collins