Well, I seldom do this. But just by watching the replay, you'll figure that Rijkaard gambled big time by taking off Xavi and Motta for the attacking prowess of Iniesta and Giuly but left his defence horribly exposed.
Especially more so when their defence aren't even good enough.
The player on the ball is Steve Finnan. There are 2 players closing down on him but like Shankly used to say that when there are more than one player with you, there is another team mate of yours unmarked. Looking right in front of him is of all player, Gerrard unmarked. The player supposed to mark him is Gianluca Zambrotta but he got sucked in to Finnan's run.
The blue arrow indicates Bellamy's run, which is right across Marquez and into the space vacated by Puyol. The white line is where Kuyt will run into. So in short, Bellamy made the space for Kuyt. 4 white shirts right in front of 3 defenders.
Steve Finnan did the logical thing by passing it to the unmarked Steven Gerrard. Now you could see Zambrotta scrambling back to cover his own arse and Puyol had no choice but to move into his vacated position to try and stop Gerrard. You could see Barca's defence moving downwards, leaving a HUGE gap at the top for Riise, unmarked. Now there are 3 players with Gerrard and Marquez had to track Bellamy's run.
Look at the closest player around Kuyt. All of them off the pace and were not aware of the situation at all. Now Kuyt will move into where the green arrow is and Gerrard, using his awareness and vision, will send the ball to the empty space.
Gerrard sends the ball forward into the space in which Kuyt will run into and look at the three circled players. All of them in and around Gerrard, leaving a huge gap behind.
Kuyt got the ball, his first touch let him down. Marquez's header was half cleared and it fell kindly for Bellamy. Composed and with fantastic vision, he spotted the empty space behind yet another THREE Barcelona defenders. That circled area is where Riise will appear and fire home the winner.
I don't think I need to go in depth with this picture. Pretty self explanatory. But look at how many players in and about Riise. You got it. NONE.
So there are serious deficiencies and inadequacies in Barcelona especially the back line. I touched on it few months back when we're drawn against them that they are vulnerable to aerial threats and also, the players are tactically not aware of things around them. The need to watch their back post is important yet all the players seemed to get drawn to where the ball is.
Next thing is Rijkaard got it absolutely wrong to take off Xavi and Motta. If they're still on the pitch, I do not think that Kuyt, Gerrard or Riise will have that sort of space given to them. So much so that without them, the Barca defence were pulled out of shape by Bellamy's run and were confused. They didn't know their role and lacked the necessary composure.