Rockingham-Mandurah skipper Craig Simmons has been voted the Martin Baird medalist for the fourth time.
Voted upon by the players and the leaderboard a three-way tie after 11-rounds with Simmons, Dane Ugle and James Bracey all on 14-votes.
Simmons broke away in the final four rounds to claim victory.
The final round of WA Premier Cricket was washed out and the Mariners finished minor premiers.
Finals fixtures will be confirmed early in the week.