POOR disposal in the second quarter was the main shortfall of Melbourne's 48-point loss to West Coast, according to Demon coach Todd Viney.

In a similarity to last week's second-quarter barrage from Carlton, the Demons began the game well before dropping away in the second quarter.

Viney said the Eagles made the Demons pay for their errors.

"We started all right, it was a pretty good contest but the second quarter we turned the footy over way too much by foot and our kicking efficiency was very poor. It was just over 50 per cent," Viney said after the game.

The Demons coach said his half-time message to his players wasn't too different from his first game in charge and he was happy with the noticeable change in the third quarter.

"Similar to last week at half-time, we spoke about clearing their minds and staying in the moment. Whether we were five goals up or five goals down we were thinking about the process we were trying to put into place," he said.

"To their credit they came out and put the junk from the second quarter away again and put a solid second half in. There were still too many easy mistakes and we missed some easy shots. But overall they were too good."

Youngsters Sam Blease and Jeremy Howe were two of the best for Melbourne in what Viney said was a real positive.

Blease had 20 touches and Howe kicked three goals while also taking some high-flying grabs that Demons fans have come to expect from the first-year player.

Viney said he was pleased to see the pair step up.

"Blease is a really exciting player, I think he is going to be a star," Viney said.

"He has got a lot of work to do. His fitness has got to keep improving, his defensive aspects of the game and understanding the importance of structures, he'll keep working on those but when he gets the ball he is an excitement machine.

"Howe, with that marking ability down forward, is certainly a reason why people pay to come to the games, to see those type of marks.

"In the forward line they [have to] go for their marks and have that offensive part of their game, but to also value their defence. I think he's one of those guys who's got that mix and he'll be a good player."

Luke Holmesby covers Melbourne news for afl.com.au. Follow him on Twitter: @AFL_LHolmesby