CONOR McKenna is free to play this weekend after already serving a one-match suspension for breaching the AFL's COVID-19 protocols.

The Bombers defender visited his former host family in the lead-up to Essendon's match with Melbourne in round three.

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The game was postponed as a result of McKenna's positive COVID-19 test on Saturday, June 20, and McKenna has been in quarantine since the positive test. 

However AFL.com.au has confirmed that the one-week ban was served while the Irishman was in isolation and missed the Bombers' loss to Carlton on Saturday night. 

He has been released from quarantine and will train with teammates this week in the chance to face the Magpies on Friday night.

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McKenna, who finished fourth in Essendon's best and fairest last year, had been overlooked to play in the Bombers' round two clash with Sydney but was selected to face the Demons before his positive test reading.