This time last year Hull were lying 18th in the Championship table, so their start to the season is a fantastic story.
When they lost 5-0 at home to Wigan a few weeks ago I think everyone thought "here we go". But if you've ever met Hull boss Phil Brown you will know that he is a very enthusiastic personality and extremely demanding of his players.
He was on Match of the Day 2 with me recently, and he is clearly very influenced by Sam Allardyce from their time together at Bolton.
Phil, however, is very much his own man and his team has a very different style of play. Hull play more of a passing game, whereas Bolton, under Allardyce, were all about high pressure and getting in plenty of long balls.
Brown has got his Hull side going in the right direction
What you do notice is that the Hull players are incredibly willing to go the extra 10 yards. They give Brown effort and commitment, and a team coming up from the Championship has to have that as a basic requirement.
For people who have not seen the Tigers this season, they tend to play with three narrow midfielders, allowing Geovanni to roam behind the front two.
Sometimes he appears on the left or the right, but then he also drops deep or finds himself in the hole - he is basically given a free role to do what he wants.
It is obviously working, as the Brazilian is playing out of his skin. The two goals against Arsenal and Spurs come to mind, and the two players up front - Marlon King and Daniel Cousin - are always a handful with their good movement.
The three in the centre - Ian Ashbee, George Boateng and Dean Marney - are the ones who basically hold the midfield together.
Paul McShane and Andy Dawson know that because of the lack of wide men they have to come out of their full-back positions, play quite high up the pitch and also press the opposition on their side.
The two centre-backs - Michael Turner and Kamil Zayatte - are strong and are also very important in the way they play. It is a system that seems to work for them and they have had some fantastic results in the last few weeks.
But it does leave the Tigers stretched in certain areas, and on Sunday West Ham failed to take advantage.
When you are playing 4-4-2 against a system like Hull's then you have to get your full-backs going forward to try to expose those wide areas.
You want to get into a position where your full-backs join your wide midfielders and you create a two-versus-one situation.
It was a scenario tailor-made for Craig Bellamy to play off his strike partner Carlton Cole, and get into the space behind McShane and Dawson.
But what happened was that Bellamy kept coming short into the midfield to look for the ball, leaving Cole isolated up front on his own.
When Bellamy did get down the left wing, he created an early chance for Cole, but it just did not happen often enough to cause Hull any problems, and now the Tigers are back in the top three.
It is important not to get carried away, however. We will see whether they can they sustain the way they play over a 38-game season, as not many of their players have been there and done it before. Three or four of them have even come through the divisions with them.
People are talking about whether they can get into Europe but that is crazy - we are only five minutes into the season.
Brown will have only one thought, and that is staying up. Their away form is phenomenal and they have taken some teams by surprise, but sides will be a bit more wary of them now.
Hull play Chelsea and Manchester United in the next few weeks and it will be interesting to see how they cope.
Chelsea's full-backs will definitely push on and really test their set-up. There is a danger that if Hull play like they did against West Ham, they will get taken apart down the flanks.
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