The 22-year-old creative midfielder had an excellent first season in Spain last term, but with the signing of Nuri Sahin and the emergence of a fully fit Kaka, competition for places at the Santiago Bernabeu is set to be increased.
Despite this, the former Werder Bremen man has discarded the number 23 jersey, and taken the starting line-up shirt from Lassana Diarra, who is seemingly on his way out of the club.
The Gelsenkirchen-born player donned his new jersey against Chivas Guadalajara in a pre-season friendly game in San Diego, a clash that saw the Spanish side run out as 3-0 winners.
Ozil had the second most assists in La Liga last season with 17, two behind Barcelona's Lionel Messi, as Mourinho's men failed to stop the Camp Nou outfit picking up their third consecutive Spanish title.
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