None of the traditional 'big four' managed a victory last weekend.
While the defeat of champions Chelsea at Manchester City could not be ranked as a seismic event given the huge amount of cash the Eastlands outfit have spent, it still robbed Carlo Ancelotti's men of their 100% record.
In addition, Liverpool failed to overcome Sunderland at Anfield, Manchester United were forced to come from behind twice to claim a point at Bolton, while, most surprisingly of all, Arsenal lost to West Brom at the Emirates Stadium.
Now it is Bolton's turn to take on the sixth-placed Baggies, with Ricketts feeling fresh impetus has been injected into the season due to those unexpected turn of events.
"Last weekend did the league good," he said.
"Those results have opened it up. It is not just the dominant four winning every week. You have five or six teams trying to get into the top four and sides like ourselves are giving the bigger teams a better test than what we have done before.
"You would never have said West Brom would beat Arsenal. With both sides playing football you would think there could only be one outcome.
"But that is what makes the league so exciting."
Although Bolton have only won once this season, they have also just suffered a single defeat, and that came in controversial circumstances.
That they have adopted a rather more flowing style of football under Owen Coyle means they are getting plaudits to go with those positive results as well.
Not that Ricketts cares about that.
"I can't say I am too fussed about whether we get any more credit or not," said the Wales international.
"Maybe the way we are playing is more pleasing on the eye but we just want to get results."
The 29-year-old will come under renewed pressure for his place on Saturday given Gary Cahill is returning from a three-match ban.
Normally a full-back, Ricketts was outstanding alongside Zat Knight in the centre of defence for Bolton at the weekend, offering a glimpse of the flexibility he enjoys so much.
"I played in the central a couple of times at youth level and when I was with Telford in the Conference," he said.
"I like it. Naturally I am a defensive-minded player so it suits me well.
"It is a different challenge and more of a mind game against your opponent than it tends to be at full-back."
Source: Team Talk
Source: Team Talk