Carlton have recalled onballer Ed Curnow and handed Irishman Zac Tuohy his debut for Sunday's AFL match against Port Adelaide.

Curnow had impressed Blues coach Brett Ratten in his debut season, playing every game before injuring his shoulder in round seven against St Kilda.

However the Modewarre product had proved his fitness for the clash at AAMI Stadium.

Curnow had been named as rover while Tuohy, also 21, would start in the back pocket.

The fourth-placed Blues dropped ex-Melbourne midfielder Brock McLean and Jeremy Laidler is out with a knee injury.

Carlton decided to give Ryan Houlihan - who was named in a seven-man interchange bench on Thursday - a fourth game in the VFL following a calf injury.

Port, 16th, included Jacob Surjan at the expense of Cameron Hitchcock.

Third-placed Hawthorn made two changes for Sunday's game against eighth-placed Fremantle at the MCG.

Clinton Young and Kyle Cheney replaced injured duo Chance Bateman (ankle) and Shane Savage (calf).

The Dockers included Clancee Pearce and Zac Clarke for Jay van Berlo and Dylan Roberton who had been omitted.

Adelaide made four changes for Sunday's game at Etihad Stadium against North Melbourne.

The Crows recalled Brad Symes, Bernie Vince, Jack Gunston and ruckman Brad Moran for Myke Cook, Shaun McKernan and injured pair Taylor Walker (knee) and Brodie Smith (hip).

North named Kieran Harper and Cameron Pedersen to replace defenders Michael Firrito (suspended) and Daniel Pratt (finger injury).

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