ST KILDA defender Sean Dempster has been nominated for mark of the year following his grab against Melbourne on Sunday.

The 31-year-old leapt high above the shoulders of Melbourne's 208cm ruckman Max Gawn late in the first term and will compete with North Melbourne's Jarrad Waite and Port Adelaide Chad Wingard for the mark of the week. 

Dempster has taken more marks than any other Saint in 2015, and his average of 6.6 per game is higher than any other year in his career.

Fans can now vote for their favourite mark HERE.

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