Port Adelaide great Kane Cornes only trusts three teams in 2020 - Brisbane, Collingwood and his former club the Power.

In what has been one of the most unpredictable seasons yet, the Eagles, Tigers and Giants - all touted as premiership contenders - have largely underdelivered so far with just one win each.

There has been a number of shock upsets, most notably Gold Coast's domination of West Coast in Round 2 and Carlton's narrow win over Geelong on the weekend.

Speaking on SENโ€™s Whateley,ย the Lions, Magpies and Power are the only sides that he has faith in to consistently perform.

โ€œI can certainly trust Brisbane,โ€ Cornes said onย SENโ€™s Whateley.

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โ€œCollingwood Iโ€™ve got no issues with and Port Adelaide, even if you can argue that they havenโ€™t beaten anyone of substance yet, but that test will come.

โ€œThatโ€™s what I love about the season, you can turn up (on any day) and you donโ€™t know whoโ€™s going to win.

โ€œThatโ€™s what makes this season so fascinating.โ€