West Coast will be guaranteed a start-of-week video nasty as furious coach John Worsfold searches for answers after a 97-point AFL shellacking by St Kilda at Etihad Stadium on Saturday.

Worsfold described his team as "mentally weak" after they were given a world-class walloping in all facets of the game by the red-hot Saints.

The Eagles were battered around the stoppages and uncompetitive virtually everywhere else - with midfielder Matt Priddis perhaps the only one of West Coast's 22 who could claim to have won his one-on-one battle on the day.

His 30 touches and 10 tackles were beacon-like compared to the dim and dark returns from most of his teammates.

Eagles midfield danger man Daniel Kerr was among those who struggled, as Saints tagger Clinton Jones got the better of him for most of the match.

Worsfold was fuming post-match, especially after his side had been so impressive the previous week in shutting out Port Adelaide for a 50-point win.

And he promised his players would have a lot to answer once the team watched back the defeat and dissected it in preparation for their match against the Western Bulldogs next weekend.

"Mentally we were very weak today ... there's a lot that's going to be damning coming out of this game for the players to confront," Worsfold said.

"The attitude to really win the footy and take it forward was non-existent for us.

"Inside 50s, marks around the ground, skill errors, what looked like lack of care at times with disposal.

"That was well below what was acceptable by AFL players."

Worsfold also backed Kerr, who did finish with 27 touches but had little real impact, to bounce back and get on top of his taggers.

"He's got to deal with what every great midfielder has dealt with since the game began, and that's close attention. He's good enough to overcome it," Worsfold said.

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