Port Adelaide players say they love coach Mark Williams, but they're failing him in the final year of his contract.

Defender Jacob Surjan says Power players are letting down Williams, whose contract to coach Port expires at the end of the year.

Surjan and his teammates are struggling to come to terms with Sunday's limp effort at the MCG against Collingwood, in which Port conceded nine unanswered goals to turn a halftime lead into a 38-point loss.

The Power's form graph is pointing very much down with a five-five ledger that now has them sitting outside the AFL top eight.

"It's something we're going to have to fix ourselves," Surjan said on Monday.

"There's not much the coaches can do, something we're going to have to fix on the oval and we're going to have to step up, probably become more leaders in that respect.

"When teams get a run-on we're going to have to call certain plays to stem that flow.

"We're really upset how that third quarter went yesterday, and we respect and love our coach so much.

"It's definitely draining on the playing group because we know we're letting him down and the coaches down."

Surjan flatly denied suggestions Port's players don't get along.

"Those sorts of claims really don't sit well with me. I know my teammates will back me up in any situation," he said.

"For someone to say that is really disappointing because we're 100 per cent together as a team and we always will be."

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