Carlton heads into Saturday's AFL clash with West Coast at Subiaco Oval one of the biggest outsiders in recent memory, but Eagles coach John Worsfold won't be underestimating the struggling Blues.

Already beset by a seven-match losing streak, Carlton face an Eagles side three games clear atop the AFL ladder and unbeaten at home in over 12 months.

Centrebet has listed the Blues at $8.50 to West Coast's $1.07, while TAB Sportsbet has the Eagles at the same price but a slightly more generous $6.75 for Carlton.

But Worsfold knows the dangers teams at the foot of the ladder can present.

The Eagles' only loss of 2005 came as raging favourites against a Collingwood side given little chance of an upset back in round nine.

West Coast held a slender lead at three-quarter-time before the Magpies threw caution to the wind and stormed home in the final term for a 23-point win.

Carlton will be an even bigger underdog than Collingwood was at the MCG but Worsfold, a former Blues assistant coach, refused to write them off.

It was only a few short months ago Carlton beat West Coast to claim the 2005 Wizard Cup, while the Blues also recorded a 49-point thrashing of the Eagles in round five last year.

"They still have an outstanding number of top-line players and can play extremely good football," Worsfold said.

"We've seen it first-hand and had some good clashes with them over the last few years.

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