Norwich and Bournemouth came down to earth with a bump in their first Premier League games since winning the play-offs and the Championship last season.
Both remain inside the top four in the bwin.com relegation betting at 91/100 and 6/5 respectively and both were taught harsh lessons about life in the top flight in front of their own partisans.
The Canaries’ slapdash marking was evident for all three Crystal Palace goals as they sunk to a 3-1 defeat barely deserved on the overall balance of play.
For Eddie Howe’s men, meanwhile, the difficulties of exporting your aesthetically pleasing brand of football to even the most average of higher-level opposition was rammed home as they sunk to a late Rudy Gestede header at Dean Court.
Given a strong start has propelled many a side to safety in recent years (Leicester last season, Hull the one before that), fans of both teams could be forgiven for fearing a chastening campaign ahead.
Yet survival stories far more convincing than either of those mentioned in the previous paragraph saw both Southampton and Crystal Palace take heed of early season warning signs to pull well clear of the dotted line of doom.
In the 2012/13 campaign the Saints were second-bottom, four points from safety after 11 league games, having won only once.
The return of key man Jack Cork saw them begin to right the ship long before Nigel Adkins was replaced by Mauricio Pochettino, a move adjudged harsh at the time.
By the time the poetry-reciting former physiotherapist was removed the Saints were already 15th, three points clear of the drop zone.
A season later Palace parted company with Ian Holloway eight games and seven defeats deep into a campaign that looked like it could have done with being put down.
The Eagles’ hierarchy reacted to the utterly shambolic state of on and off-pitch affairs under Holloway by appointing arch organiser Tony Pulis, with brilliant results.
Should Norwich and Bournemouth take the opportunity to address the lessons learned in their opening day fixtures, namely the need to focus on defensive matters, then their survival campaigns will be all the more effective as a result.
They are 4/5 and 3/5 to beat the drop respectively.