"They've also punched above their weight geographically, representing an area smaller than Newcastle or Geelong, but they have consistently recruited internally from the local area, and produced extraordinary results."
The Crusaders, back-to-back Super Rugby champions, will be presented with a cheque for A$25,000 ($26.566) next week to donate to a worthwhile cause.
Platinum Asset Management conducted the research, in conjunction with GAIN LINE Analytic, who analysed 74,426 matches between all the 122 teams across the 14 eligible national or Australasian leagues over 25 years to reach a conclusion.
Australasia's Best Sporting Team - Top 25
1. Crusaders (Super Rugby)
2. Brisbane Broncos (NRL)
3. Geelong Cats (AFL)
4. Fremantle Mariners (National Water Polo League)
5. NSW Breakers (Women's National Cricket League)
6. Queensland Bulls (Sheffield Shield)
7. Sydney University Lions (National Women's Water Polo League)
8. Melbourne Storm (NRL)
9. Perth Wildcats (NBL)
10. Sydney Roosters (NRL)
11. Sydney Swans (AFL)
12. Sydney University Flames (WNBL)
13. Adelaide Lightning/City (WNBL)
14. Brumbies (Super Rugby)
15. Fremantle Marlins (National Women's Water Polo League)
16. Melbourne United/Tigers (NBL)
17. West Coast Eagles (AFL)
18. Canterbury-Bankstown Bulldogs (NRL)
19. Newcastle North Stars (Australian Ice Hockey League)
20. Brisbane Barracudas (National Women's Water Polo League)
21. Victoria (Sheffield Shield)
22. NSW/Sydney Swifts (Netball)
23. Manly-Warringah Sea Eagles (NRL)
24. Hawthorn Hawks (AFL)
25. Cronulla Sharks Water Polo Club (National Women's Water Polo League)