Carlton midfielder Shaun Grigg has tried to hose down tensions between the Blues and Fremantle by saying what the Dockers do with their selections is up to them.

Fremantle coach Mark Harvey attacked his Blues counterpart Brett Ratten, saying the Blues mentor had "inflamed" tensions between the two AFL clubs after Ratten questioned the wisdom behind the Dockers' policy of bulk resting players.

The sixth-placed Dockers last week rested seven players in their 116-point loss to Hawthorn in Tasmania, while another six key players missed the match through injury.

Ratten said on Tuesday he believed the Dockers had taken a big risk in resting so many players at once and said form could not be regained simply by flicking a switch.

But Harvey hit back at the Blues coach on Wednesday and defended his decision.

Ratten said the Dockers had put all their eggs in one basket, with both sides desperate to win on Friday night in Subiaco in a bid to qualify for a home final next week.

"If he wants to inflame the game ... bring it on, we'll find out," Harvey said.

But Grigg told reporters at Melbourne airport: "That (Fremantle's team selection) is totally up to them.

"They can worry about what they're going to do," he said.

"All we can worry about is what we're going to produce and what team we're going to put out on the park.

"We'll just worry about what we're going to do."

Grigg even said resting for a week didn't necessarily mean a player faced a huge challenge to have a big impact the following week.

"If you have a good week on the track and you train well and you have the footy in your hands. I don't see why not," Grigg said.

Grigg said Carlton's nine-point loss to Fremantle at Etihad Stadium in round 13 had only been briefly discussed by the eighth-placed Blues this week.

"Not too much. We're just going to have focus on what we're going to do this time around," he said.

"We've improved since then so we're looking forward to it.

"We've definitely planned for their best. It's a massive game for both clubs.

"We both have to win and they'll come out fit and firing and well have our work cut out for us."

Harvey said David Mundy, Anthony Morabito, Nat Fyfe, Adam McPhee, Stephen Hill, Roger Hayden and skipper Matthew Pavlich would all return against the Blues, while ruckman Aaron Sandilands is also a near certainty to win a recall after a foot injury.

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