Schalke great Kevin Kuranyi spoke to Stats Perform News about the German club's demise following their relegation from the Bundesliga.
Sead Kolasinac has been used just once by Arsenal in the Premier League this season and will spend the second half of 2020-21 with Schalke.
The January transfer window opens on Saturday and Arsenal manager Mikel Arteta's main focus is on offloading some players from his squad.
Paul Pogba is reportedly wanted by former club Juventus as he eyes a Manchester United exit.
Jadon Sancho appears set to stay at Borussia Dortmund until at least the end of the season.
Barcelona forward Ousmane Dembele is reportedly against a switch to Manchester United.
Former club Tottenham are reportedly at the front of queue to bring Gareth Bale back to the Premier League.
Arsenal look to be back in the Champions League hunt, but Mikel Arteta is aware they still "need to win a lot of games".
Arsenal won for the second time in 13 Premier League games after Nicolas Pepe and Sokratis scored against Manchester United.
Sead Kolasinac has been ruled out of Arsenal's festive programme with an ankle injury, leaving the Gunners short of options at left-back.