A number of Sky Bet Championship clubs are interested in taking the player on a loan.
In April, Balogun signed a new contract with the club that will keep him at the club until the year 2025.
The 20-year-old, who was born in New York, was tried on by Chris Wilder when he was in charge ofSheffield United.
Saint-Etienne is monitoring the situation of Balogun, who is receiving interest from Europe.
Mertesacker said last month that the 19-year-old would head out on loan in January.
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Eddie Nketiah is out of contract in the summer and the Soccer Special panel debate his future.
Nketiah can speak with foreign clubs.
Eddie Nketiah's situation is the same at the stadium.
Nketiah is able to negotiate a pre-contract with a foreign club after turning down the club's most recent contract offer.
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The Carabao Cup quarter-final match was between the two teams.
Even if he leaves on a free transfer in January, the club will still have to pay compensation.
Nketiah's services could be required if Pierre-Emerick Aubameyang leaves on Africa Cup of Nations duty with Gabon.
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