Last month it was his 200th game, and on Monday night against Collingwood, Rockliff slotted the 100th goal of his career.
But these pale in comparison to his next milestone - his first-ever finals appearance.
A win against the Pies on Monday in the final home-and-away season game saw Port lock up the minor premiership - its first since 2004, the year it won its only AFL flag.
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It earns the club two home finals at Adelaide Oval, with the first against Geelong next week.
And after 12 years in the AFL system, Rockliff will line up for his first-ever finals match in particularly ripping form.
The midfielder was one of Port's best against the Pies, picking up 30 disposals and 10 clearances in the 16-point win.
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In a post-match interview, Rockliff said it had been an amazing year for the football club.
“To start the year on top and finish it on top, it's a credit to the boys and the whole footy department,” Rockliff said.
• Harry Morrison finished his 2020 season on a high after Hawthorn dismantled Gold Coast by 51 points on Sunday.
With finals out of the question, the Hawks set themselves up for success in their final game of the year with seven first-quarter goals against the Suns.
Morrison picked up 17 disposals (season average 14.2) and five intercepts (3.3) in the clash.
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