Wilshere more than held his own against the likes of Xavi and Andres Iniesta in the first leg of a captivating Champions League tie and Guardiola admits that the meteoric rise of Arsenal's midfielder has shocked him.
"Wilshere is a top player. He has been a big surprise," admitted Guardiola.
"I did not know him at the beginning of the season but he is an excellent player, not just Arsenal but also for the [English] national team.
"We have many players like him in our second team and it is very good news for football to have players like him."