Port Adelaide great Kane Cornes has unloaded on Carlton following Thursday night's 21-point loss to Collingwood.

The Blues slumped to a 0-2 record for the ninth straight year, with only five of the last 58 teams recovering from that mark to play finals.

It builds pressure on David Teague's team in a season where expectations at Ikon Park are the highest they have been in several years, coming off an off-season coup where they acquired Adam Saad and Zac Williams.

SEE ALSO: Collingwood feel the burn of Thursday night win with Elliott set for surgery

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Cornes, who is never shy to dish out some criticism to the Blues, took aim at the club's back six, in particular Lachie Plowman.

โ€œNew year, same Carlton,โ€ Cornes told SEN's The Captainโ€™s Run.

โ€œThey have invested in their midfield and running defence during the trade period, but perhaps they should have turned their attention to their key defenders.

โ€œJamie Elliott was matched up on the highly frustrating Lachie Plowman โ€“ and Plowman made Elliott look like Gary Ablett Snr in the first term.

โ€œPlowman was moved off Elliott onto De Goey after quarter time โ€“ it took De Goey one minute to kick another goal on him and if it wasnโ€™t Elliott or De Goey outmarking Plowman, it was (Will) Hoskin-Elliott.