Every once in a while, the form guide goes out the window and the underdog bites back.
Rugby league has a wonderful history of stunning upsets - from Fatty Vautin's 1995 Maroons heroes to Des Hasler's Sea Eagles defying an injury crisis to beat hot pots Parramatta just one week ago.
NRL.com is bringing you a new quiz every week, allowing you to test your footy knowledge against your mates, and this week it's on stunning upsets.
Can you gain Immortal status with a 10/10 score? Will you go close and make the Hall of Fame? Are you just an NRL rookie? Or will your score leave you in reserve grade?