PORT ADELAIDE has secured a thrilling two-point win over Melbourne to surge into second on the ladder, ending the Demons’ slim finals hopes.

Melbourne led Saturday night’s contest for 66 minutes, but was forced to endure heartbreak with a third loss by five points or less in the last seven weeks.

Former No.1 draft pick Jason Horne-Francis stepped up when the Power needed him in the last quarter as Port won the dour contest 7.11 (53) to 7.9 (51).

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Horne-Francis had nine possessions in the final term to finish with 27 disposals and two goals, continually putting himself in the right positions to thwart any chance of another Melbourne score.

Quinton Narkle, who was subbed into the game for tall forward Todd Marshall at half-time, slotted the match-winning goal with just four minutes left.

Quinton Narkle took a strong mark, and finished his work, to score the match-winning goal. Image: AFL Photos.

It was sweet relief for Port and coach Ken Hinkley, just a week after they demolished ladder-leaders Sydney by 112 points.

After the Brisbane Lions’ defeat to Greater Western Sydney earlier on Saturday, Port jumped up three spots to take a strong grasp on a double chance and two home finals.

Port ruckman Jordon Sweet will face a nervous wait to learn if he will be cited by the match review officer after he appeared to strike Melbourne midfielder Clayton Oliver in the chest.

Oliver, who had little impact on the contest, was assessed by trainers and Demons players remonstrated with Sweet.

Melbourne livewire Kysaiah Pickett had one of the best games of his career, threatening to overshadow Horne-Francis' heroics.

Jason Horne-Francis was pivotal in the big moments. Image: Jack Dilks.

Pickett kicked a game-high four goals, with 21 possessions and eight score involvements to be clearly Melbourne's most influential player.

The Demons will almost certainly end the round with their slim finals hopes extinguished ahead of their last two games against Gold Coast (away) and Collingwood (MCG).

The evolution of JH-F continues
Big pre-draft expectations followed by a hot-and-cold debut season and a move home to SA, left the football world unsure of exactly how good Jason Horne-Francis could be, but now in his third year there’s no doubting his excellence. The midfield bull was sensational against Melbourne, playing as much of a Dustin Martin role as anyone has since, well, Dusty. Horne-Francis was powerful on the ball and a massive threat down forward, letting it be known that if the league is looking for a new superstar, he’ll happily wear the moniker.

MELBOURNE          2.3    4.5    6.5    7.9 (51)
PORT ADELAIDE    2.4    3.8    5.8    7.11 (53)

GOALS
Melbourne: Pickett 4, Neal-Bullen, Langdon, Fritsch
Port Adelaide: Horne-Francis 2, Dixon 2, Byrne-Jones, Butters, Narkle

BEST
Melbourne: Pickett, Gawn, Viney, Neal-Bullen, Salem
Port Adelaide: Horne-Francis, Butters, Rozee, Houston, Boak

INJURIES
Melbourne: TBC
Port Adelaide: Marshall (concussion)

LATE CHANGES
Melbourne:
Taj Woewodin (illness) replaced in selected side by Jack Billings; Jake Bowey replaced in selected side by Blake Howes

SUBSTITUTES
Melbourne: 
Jake Melksham, replaced Jacob van Rooyen in the fourth quarter
Port Adelaide: Quinton Narkle, replaced Todd Marshall at half-time

Crowd: 17,867 at the MCG