"Chelsea How did Chelsea lose again?" This is probably the most headache problem for every Blues fan recently. After four rounds of games without a win, they have slipped from their once dominant position to a precarious fourth place. Although fourth place looks good, it is a cliffside tango rhythm for Chelsea - if you are not careful, you can't even keep the Champions League qualification. This once unshakable Premier League giant is experiencing a difficult hurdle. So what is the solution? Is the lineup lacking? No. Not enough money? Definitely not. The root of the problem lies in the fact that Chelsea lacks someone who can carry the flag - someone who can make his teammates passionate and give fans peace of mind at critical moments. Therefore, some people put forward a bold and even a bit "crazy" plan: What about introducing Cristiano Ronaldo? In the past few games, Chelsea's performance made people shout "It's no use being anxious." In the last game against Crystal Palace, the result was a 1-1 draw. Many fans complained after the game, saying that the players on the field of Chelsea seemed to be participating in a community league, lacking leadership and the spirit they should have. It is difficult to see anyone stand up to save the situation at a critical moment. The weakness on the field not only makes the score embarrassing, but also makes the whole team's temperament seem out of place among the Premier League giants. The question is, what Chelsea needs is not just a few pairs of…