He was chosen in the 2002 AFL Draft at pick number four as a first round selection.
Being 196 cm tall, the Bulldogs recruited him because of his potential to hold down a key forward position.
He missed the whole of season 2006 because of a long term leg injury, at a time when the Bulldogs were in desperate need of some height.
The 2006 Record described Walsh as a good prospect as a future key forward.
This Australian rules football biography of a person born in the 1980s is a stub.