Alex Keath announces his retirement after 109 games with the Crows and the Western Bulldogs.
"Alex should be extremely proud of the contributions he made to both Adelaide and Western Bulldogs football clubs," Bulldogs list manager Sam Power said.
"He is the epitome of hard work and determination, a reliable defender who gave his all each time he ran onto the field. He's also a much-loved and highly respected individual, not just by his teammates but also by staff across all sections of our club."