Defender Daniel Merrett has undergone ankle surgery for a fracture he suffered in Sunday's win over the Western Bulldogs.
Club champion Jonathan Brown has also undergone surgery for a knee injury suffered in the season.
This article is more than 11 years old
Lions lose stars
Brisbane has lost two of their star players ahead of the clash with the Cats on Saturday
Defender Daniel Merrett has undergone ankle surgery for a fracture he suffered in Sunday's win over the Western Bulldogs.
Club champion Jonathan Brown has also undergone surgery for a knee injury suffered in the season.
