AFL chief executive Gillon McLachlan on Friday morning has expressed his shock and grief at the death of Adelaide Crows coach Phil Walsh.

"Our industry is grieving today, and we send our love and support to the Walsh family, the Crows staff and players, Phil’s wider circle of friends, the other clubs he worked with, and his many colleagues across the AFL" McLachlan said.

"Phil Walsh was a man of boundless energy and enthusiasm, and his death is a tragic loss.

"At this time, the AFL is working closely with the Adelaide Football Club on the support required to the staff and players of the Crows.

"We ask the media to respect the privacy and feelings of the Walsh family, and the Crows' staff and players as this is a deeply distressing time for everyone." 

The AFL will communicate further today following consultation with clubs, the Players Association and the industry.