Monza keeper Michele Di Gregorio is being linked with Inter.
But Frey said on TV Play: "For a couple of the year that starting place will go to Yann Sommer, I wouldn't make this change now.
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"The Monza goalkeeper is deserving the attention of many big clubs, it is right that he has the opportunity to make the big leap and possibly play in a big club.
"The boy has great room to continue improving."