Not many would have predicted it beforehand but Chester FC sent out a warning shot to the rest of the Vanarama National League with a resounding 5-0 success at home to Dover Athletic.
There were plenty of talking points following the success, not least another stellar performance from teenage defender Sam Hughes.
The success extended Chester's unbeaten run to five games and another clean sheet means they have now gone 488 minutes without conceding a goal, with Forest Green the last side to penetrate the Blues back line on September 3.
Here's what we learned.
Sam Hughes has a huge future
McCarthy knows it and has been keen to stress the need of managing the teenager's development appropriately.
Against Dover he was imperious and looked like a seasoned professional and never put a foot wrong. Anything that came his way was sent back and Dover, with all their attacking power, had no answer to Hughes and Ryan Astles in the first half and Hughes and Luke George in the second.
There is often a tendency at clubs to talk up youth prospects sometimes more than is warranted. But in Hughes's case the hype is very real. He could be worth a lot of money to the Blues in the future.
The disappointment that surrounded Ben Heneghan's summer departure has been replaced with excitement at the development of another young centre back. The future is bright.
Macca's plan is working
Despite a sticky start to the season Blues boss McCarthy was keen to stress that this was a young side and what he and Ian Sharps were working towards would take some time.
Some questioned it but the past month has shown that he was right to keep faith with his charges. They have been exceptional.
Players who failed to shine last season have looked like new players and the team spirit is there for all to see. The players fight for each other and it is clear they believe in McCarthy. You can't buy that.
You can't fluke five unbeaten without conceding a goal and there is no reason why this side can't go on and really challenge in the top half. They have already had to cope with serious injury woes in defence and there is a flexibility in the side that is necessary at this level.
There are plenty of reasons to be positive.
Ryan Astles is as hard as nails
Speaking to the press after the Dover success, McCarthy described big defender Astles as 'nails'. He wasn't wrong.
Astles suffered a broken wrist in the first half but continued at the heart of defence regardless and put himself on the line time and time again before being replaced by the excellent George at half time.
He has gone about his business quietly this season but has been excellent and it is easy to forget he is only 22.
Another player of whom big things are expected, Astles has that bravery that all good sides need at the back and they don't come more physically imposing that him.
Hopefully his injury won't see him miss too much action for the Blues.
Mahon is back with a bang
Ever since the diminutive Irish winger joined Chester from Vauxhall Motors back in 2013 he has been a fans favourite among the Blues faithful.
On his day he can turn a game with his trickery and pace and is the stuff of nightmares for National League defenders.
He lost his way last season but McCarthy has worked wonders in getting him back to the Mahon we all know and love. He is on song again.
Against Dover he was sensational and put in a huge shift. He is like a new signing.
Apathy still exists
Chester have failed to break the 2,000 mark for a home crowd this season and that has no doubt caused some concern among the Blues hierarchy.
While some patchy early season form could be used to explain some of it there is an obvious disconnect that remains with some sections of the fans.
It was a shame that less than 1,700 fans were there to witness Saturday but people have there reasons, whether it be financial or otherwise.
But the Blues can't do much more at home and have won 1-0, 2-0, 3-0, 4-0 and 5-0 and we are only in October. Hopefully some of those who have stayed away for one reason or another can be persuaded to come back. Something good is happening and more people should be a part of it.