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Similar to the experience of many managers in football today, current Chelsea head coach Gianluca Vialli also transitioned to head coach after ending his professional career. However, Vialli's managerial career started at a much higher start than the average manager, with the former star, who had a successful playing career, took over the reins of Chelsea directly from his former team-mate Ruud Gullitt as head coach of the Premier League powerhouse after retiring.

Despite his success as a player, Vialli is clearly a rookie manager who is still a fledgling and difficult to convince. In the eyes of many, the Blues' ability to go from being a mid-to-lower club to a powerhouse with the potential to change the Premier League landscape is largely due to Bates' huge investment in the transfer market, which has greatly improved Chelsea's overall quality, rather than because of how good Vialli is in charge.

Even if Vialli led Chelsea to the Cup Winners' Cup final, and won the League Cup and then the Cup Winners' Cup runners-up, people did not change their views on the Italian young coach, and even took Chelsea's defeat to Vicenza in the Cup Winners' Cup final as the strongest evidence that Vialli was not up to the mark!

Therefore, in order to prove his ability and further consolidate his position in the team, Vialli, the halfway head coach, can be said to be very careful in the pre-match arrangement and research of Fiorentina this time. In his opinion, as long as he can lead the team to win the second leg against Fiorentina and help Chelsea, who are behind on aggregate, complete the comeback and achieve the historic breakthrough of reaching the quarterfinals of the Champions League, then no one will talk about his coaching level and too thin coaching resume!

Here's a look at Chelsea's starting line-up for this game: The goalkeeper is Dutch international De Hooye, the 33-year-old veteran who has been suppressed by Van der Sar in the national team, but is also a reassuring good goalkeeper; At the back, Barbayaro, Leboeu, Duberry and Petroscu are lined up in a row, and they can get through the eyes of Guò Vialli, a genuine Italian, whose defensive ability is definitely not weak, if not top-notch; In midfield, the three veterans of Didier Deschamps, Poyet and Dennis Wise, as well as Di Matteo, whose style of play is increasingly close to that of a central playmaker, is in charge; Up front, Gianfranco Zola and Norwegian striker Flo form England's most traditional combination of one high and one fast, although the pair of strikers are much less famous than Manchester United's Black Wind Twins and Arsenal's Ice Prince and Kanu, but they are definitely top in the Premier League!

It can be seen from Chelsea's starting lineup that Vialli is obviously quite concerned about Fiorentina's strong attacking power, so he did not hesitate to abandon Glenschal's wide horse in this game, and instead chose to accumulate heavy troops in the middle to strengthen the defense, intending to resist Fiorentina's central attack.

As for the defense on the wings...... In Vialli's eyes, as long as Chelsea can guard the penalty area and its front line this time and prevent the Fiorentina players from shooting with their feet easily, then it doesn't matter if Carlos and them break through the flanks, anyway, their team-mates in the middle can't outflank them, and no matter how many crosses there are, they won't pose a threat to Chelsea's goal.

Looking at Fiorentina's side, in response to the problems exposed by the team on the offensive side in the past two games, Heynckes chose to change the formation in this game, and the German coach obviously intends to strengthen the attack to solve the strange goal drought that Fiorentina is now facing!

The starting goalkeeper was Toldo, with Robert Carlos and Zambrotta playing at left and right wing-backs, while the centre-back duo of Stam and Hyypia was joined by Nesta, who had returned from injury, but Heynckes did not start the world number one centre-back out of caution. In today's European football, Premier League teams are still full of physical confrontations and brutal collisions, which even Arsenal, which is said to be the most artistic of Arsenal (Keown and Vieira are among them). Therefore, in order to avoid an accident in the game for Nesta, who had just recovered from injury, Heynckes chose to start with Hyypia and Stam as partners.

Redondo and Effenberg occupy two of the three starting midfielders, and although both are past their prime, showing signs of declining physique, it is undeniable that the German Tiger and the Argentine Prince are still among the best midfielders on the planet! As for the last starting spot, Heynckes hesitated before finally giving it to Makelele, and it was clear that the German head coach trusted the Zaire-born Frenchman a bit more in Fiorentina's remaining defensive midfield.

On the forward line, Heynckes sent three forwards directly in the starting lineup this time: Vieri in the center, Ronaldo on the left, Shevchenko on the right, these three world-class goalscorers are like three sharp swords, will give the opponent a fatal blow at the right time!

From this, we can see Heynckes' operational idea in this game: since the last two strikers cannot effectively solve the opponent, then I will use three strikers! As long as the number of shots goes up, no matter how low the goal efficiency is, it will not be a problem to get one.

The German coach knows in his heart that the reason why the team is suffering from a collective goal drought is indeed due to bad luck on the one hand, and on the other hand, because the players are starting to be impatient and not as calm as they used to be after missing a series of good scoring opportunities. Therefore, as long as they can break the deadlock with a goal and regain their confidence and composure, Fiorentina's opponents will once again taste the terrifying firepower of the Purple Lily!

By the way, the main reason why Heynckes dared to suddenly change the formation in this game is that Chelsea's midfield control ability is insufficient, neither Wise, Deschamps nor Poyet have the ability to strangle the Fiorentina midfielder, although Di Matteo has begun to transform in the direction of the organizer, but there is still a question mark over how much strength he can play under the defense of Makelele. Therefore, even if Fiorentina only uses three midfielders in this game, they can still control the ball well and bring the pace of the game into their control.

Of course, if the opponent is changed to Barcelona, which specializes in controlling the ball, or Juventus, which has better midfield coverage, Heynckes will never dare to play like this, because it is definitely killing himself!

In this way, under the watchful eyes of the head coaches of both sides, with the referee's whistle, the twenty-two players who had already been on the field took action one after another, and the game officially began!