ADELAIDE, AUSTRALIA - APRIL 26: Connor Rozee of the Power celebrates after kicking a goal with Zak Butters of the Power during the round 6 AFL match between Port Adelaide and North Melbourne at Adelaide Oval on April 26, 2019 in Adelaide, Australia. (Photo by Daniel Kalisz/Getty Images)

Star Port Adelaide midfielders Zak Butters and Jason Horne-Francis, as well as veteran key forward Charlie Dixon, are under an injury cloud ahead of the Power's top-of-the-table bout with Collingwood next weekend.

Butters suffered a groin injury in the first half of Saturday's loss to Carlton at Marvel Stadium, while Horne-Francis and Dixon were listed as out with 'soreness' for Port's clash with the Blues, as the Power made seven changes on the Thursday leading up to the game.

On Sunday, Fox Footy's Jon Ralph reported numerous 'injury headaches' for Port Adelaide and coach Ken Hinkley, claiming Butters could 'potentially' miss next weekend's match.

"Ken Hinkley has injury headaches of his own, [with] the brilliant midfielder Zak Butters in doubt (for next week's clash with Collingwood) with a groin injury, battling before half-time, [he] spent the last quarter on the bench, so potentially no Butters," Ralph reported on Sunday.

"Also potentially no Jason Horne-Francis and Charlie Dixon, who are not over the line yet, and the Pies, well they will bring back Brody Mihocek and their ruckman Darcy Cameron."

As the Magpies will be bolstered by the returns of forward Brody Mihocek and ruckman Darcy Cameron, the Power will need all the returning firepower it can get, particularly as Trent McKenzie (ankle) and Junior Rioli (personal) also missed Saturday's Carlton loss.

Port Adelaide's blockbuster bout with the Magpies is fixtured for next Saturday, July 22, at Adelaide Oval.