Casboult earned the nomination for his spectacular grab in the second quarter of Friday’s night’s clash with Hawthorn at the MCG.
The 24-year-old leapt over the top of the pack to take a solid mark in the Blues’ forward pocket.
It was a highlight in what shaped as a big night for Casboult, who finished the match with a career-high four goals.
You can vote for Casboult’s mark here: https://markoftheyear.afl.com.au/vote/round/13