Port Adelaide's Jackson Trengove has won the AFL's round 20 Rising Star nomination.

Trengove starred for the Power in Saturday's one-point win over West Coast at AAMI Stadium, playing on Dean Cox, Nic Naitanui and Quinten Lynch and gathering 23 possessions and five tackles.

"Jackson has come on in leaps and bounds this year," said Port coach Matthew Primus.

"We've asked him to perform a variety of roles, especially in the first half of the season where he helped out in the ruck and then played a role up forward as well.

"In the latter part of the year we've been able to settle him down back where we think he's best suited and in the last month he's done some good jobs on quality forwards such as Jarryd Roughead and Justin Koschitzke."

Trengove's first season with the Power last year was focused on ensuring he fully recovered from a severe hamstring injury suffered midway through 2008.

He has played 17 AFL games since his debut in round one this season.

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