Adelaide defender Nathan Bock last night had a hip arthroscopy to rectify an ongoing problem he battled in the second half of the season.

Bock, who played 22 of a possible 23 games in 2007 for a total of 64 AFL games, will return to full training in January.

And Luke Jericho will tonight have a hernia operation. He will be ready to train when the players return for pre-season work in November.