The Saints have now kicked more behinds than goals in five consecutive matches and stretching back even further, have failed to kick at more than 50 percent accuracy in 28 out of their past 41 matches.
That is six more times than the next highest teams in the competition, Western Bulldogs and GWS.
West Coast has never lost to Port Adelaide at Adelaide Oval, winning all four matches there.
The Eagles have a great record at the venue, especially as the underdog, when they have won five out of six matches as the outsider.
All four of their wins against Port Adelaide at the ground have been by between two and ten points, suggesting that Saturday's clash could be another nailbiter.
Essendon will need to improve their percentage dramatically to keep their finals chances alive.
Melbourne is yet to beat a top eight side this season.
Since 2007, 13 out of the 25 matches have been decided by single figure margins, with the Cats winning ten of those games.
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