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: They have made well over 1000 appearances between them for Barcelona, but Andres Iniesta has admitted that he sometimes struggles to play in the same team as Xavi. The pair are Barcelona legends, having been at the club since the beginning of their careers, but after their win at the weekend Iniesta produced some surprising comments about his oldest team-mate and friend. 'Sometimes I get the feeling that it seems we can't play together,' Iniesta told Marca. Andres Iniesta and Xavi (right) have had a long, successful career together in Barcelona's first team Despite their incredible careers, Iniesta (left) says that he sometimes struggles to play alongside XaviBarcelona star Andres Iniesta says he struggles in the same team as XaviXavi and Iniesta have been in Barcelona's first team together since 2002Iniesta went on to say that it is still a privilege to play alongside XaviBarcelona beat Rayo Vallecano 6-1 on Sunday to go top of La LigaCLICK HERE for all the latest Barcelona news 
 Question:Since _ made his debut in 2002, the pair have been regulars in the first team at Barcelona.

Andres Iniesta