Adelaide have made a change ahead of their clash with North Melbourne on Sunday at the Adelaide Oval.

The Crows have lost defender Alex Keath, and have replaced him in the side with Andy Otten.

Otten comes in for his seventh game of the season, and his first since round 13.

Otten joins Riley Knight, Paul Seedsman and Mitch McGovern as inclusions for Sunday's game, with the Crows losing Lachlan Murphy, Cam Ellis-Yolmen and Taylor Walker along with Keath.