Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Lionel Messi is unattainable for most football clubs in the world, according to Barcelona sporting director Ariedo Braida. If he wasn't expensive enough through goals alone, news of his marketability will perhaps scare away any more potential suitors as Barcelona bosses further hailed their star man. '[Messi] is a very strong player and is the icon of world football,' Braida told Radio Anch'io Sport. 'He sells lots of shirts around the world, it's extraordinary. Lionel Messi is unattainable to most football clubs in the world, according to the Barcelona sporting director There were rumours of Messi falling out with coach Luis Enrique (pictured), but they have been put to bedThe pulling power of Lionel Messi has been hailed by a Barcelona chiefAriedo Braida says the Argentinian's marketability is 'extraordinary'Braida thinks that Messi is unattainable for most clubs around the worldHe revealed that the Barcelona president refers to Messi as an 'alien'CLICK HERE for all the latest Barcelona news 
 Question:Ariedo Braida (pictured) says that it would be a mistake for _ to change teams.

Lionel Messi