The fiery clash between Carlton and Collingwood on Sunday will not have a final act played out at the AFL Tribunal.

League investigations officer John Coburn found there was insufficient evidence to lay charges against either Collingwood full-forward Anthony Rocca or Carlton onballer Scott Camporeale.

They were involved in separate incidents - neither of which were captured on video - which caused Blues fullback Mick Martyn and Magpies tagger Brodie Holland to leave the ground under the blood rule.

An angry Collingwood skipper Nathan Buckley remonstrated with Camporeale after the halftime siren, leading to a heated encounter involving many players from both sides.

But Coburn found that did not constitute a melee under league rules, because at no stage were "three players grappling or otherwise struggling together at the one time".

Camporeale told Coburn the contact with Holland was accidental.

"The account provided by Holland was consistent with Camporeale's recollection," Coburn said in his finding.

"Camporeale was trying to break his tag by running and then stopping, and then running again.

"He had stopped suddenly and Holland made contact with the back of his head when running into him."

Holland left the field with blood streaming from his broken nose.

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