DOB: 1 April 1978
Debut: Round 1, 1996 against Geelong at MCG
Last Game: Round 16, 1998 against Fremantle at MCG
From: Port Adelaide, Selection #11, 1995 National Draft
Number: 31 1996-1998
Games: 9
Goals: 3
Career Statistics
| Wins | Draws | Losses | Winning % |
| 3 | 0 | 6 | 33.33 |
The brother of Demon David and Essendon/Port Adelaide player Che, was drafted by the Demons to fulfil a pledge they'd made to their mother that David and Donald wouldn't be separated.
After the Round 4, 1997 match against the Western Bulldogs, Cockatoo-Collins historically featured in the first ever racial vilification case to go before the AFL tribunal. Todd Curley was ultimately found not guilty of the charge.
Despite his lofty draft position he never found a permanent place in the team and was delisted after the 1998 season.
| Year | Games | Goals | Brownlow |
| 1996 | 2 | 0 | 0 |
| 1997 | 4 | 1 | 0 |
| 1998 | 3 | 2 | 0 |
Tribunal Record
| Match | Charge | Sanction | |
| Round 2, 1996 | Melee | $1000 fine | |
| Round 9, 1997 | Headbutting | 2 matches | |
Lists
Family
Family at other clubs
First draft picks
Indigenous Players
Interstate recruits
SANFL
Media
The Age - 23/04/1998