Turkish midfielder Sahin has been strongly linked with both Liverpool and Tottenham but is now set to join Arsenal on a 12-month loan deal with a purchase clause.
Amidst suggestions, however, that the Portuguese boss was eager not to allow Sahin to join a Champions League rival, Mourinho insists that he does not care where the midfielder ends up.
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"It's not at all true that there's any one club to which I would prefer that he went. It doesn't matter to me, I just hope that it's sorted for him soon.
"It's absolutely fine with me whether he goes to Arsenal, Liverpool or Tottenham."
Mourinho also hinted that he may be open to offers for Brazilian playmaker Kaka, though the former AC Milan man has received considerably less interest than Sahin.
"They're different situations – with Nuri there are several options but nobody has made an official bid for Kaka like they have for Nuri," the ex-Chelsea boss continued.
Another player reportedly bound for the Premier League is Ricardo Carvalho but Mourinho insists that he is unaware of any bid from QPR for the Portuguese centre-back, nor does he anticipate Mark Hughes needing both Carvalho and fellow target Michael Dawson.
"I can't confirm anything with QPR," Mourinho stated. "I don't even know if the information is correct or not because they've told me that Dawson has signed for QPR for £9 million – if they've signed Dawson, I don't know if they'll be interested in Carvalho."