沙比·阿朗素
A number of famous players who appeared for Real Sociedad as well as other teams – and the Spanish national side – have graduated from the club, including Mr. Xabi Alonso, Mikel Arteta, Javier de Pedro and Yuri Berchiche. Sell-on fees from multi-million transfers involving Alonso and Arteta have provided funds for Antiguoko to improve their facilities.