Melbourne coach Dean Bailey is yet to decide whether to play top draftees Jack Trengove and Tom Scully in round one of the AFL season after the duo impressed in small patches during their first taste of the elite level.

Scully (15 possessions) and Trengove (11) were far from overawed in Fremantle's 47-point NAB Cup win in Perth on Sunday but the pair were caught out by the tempo of the game on the odd occasion.

Bailey was pleased with the output of the first two picks from last year's national draft but said a decision on whether they took part in the round-one clash with Hawthorn on March 27 wouldn't be made for some weeks yet.

"I reckon it's too early to tell," Bailey said.

"We've still got three games to go (in pre-season competition) and anything can happen.

"But as long as we manage them well enough and they improve then they'll be a chance like everyone else.

"I think for the first game they both had some good touches.

"We've got to make sure we put some game time (into them), manage them well over the pre-season and into the season so we can get some real valuable opportunities for them and our other young players as well."

Bailey was impressed with the performance of former Lion Joel Macdonald, who gathered 22 possessions against the Dockers.

"Joel won three or four really good 50-50 balls," Bailey said.

"He's worked really hard, he's a real professional with the way he goes about training.

"I thought he showed a little bit."

The Dockers are likely to be without Byron Schammer and Adam McPhee for Sunday's quarter-final showdown with North Melbourne at Etihad Stadium after the pair rolled their ankles in the 1.13.10 (97) to 2.4.8 (50) win.

Fremantle's first pick from last year's national draft Anthony Morabito collected just five possessions in a forgettable debut but rookie Michael Barlow put his hand up for a promotion to the senior list with 29 possessions.

"He's unassuming," Fremantle coach Mark Harvey said of Barlow.

"He racked them up when he was playing VFL last year, too, so he knows how to get the ball.

"The true test now comes when everyone else has seen him and whether he can keep going."

Fremantle captain Matthew Pavlich (three goals), Michael Johnson (three), Hayden Ballantyne (two), Clancee Pearce (two), Des Headland (two) and Chris Mayne (one) combined to create a dangerous forward line for the Dockers to ensure the club progressed to the next round of the NAB Cup.

The Demons will tackle Essendon at Visy Park on Saturday in a practice match after both sides lost their round one matches.

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