Turkish International Soyuncu, 22, is being chased by Arsenal enrollment boss Sven Mislintat to reinforce Unai Emery’s defence.
Bundesliga club Freiburg are allegedly requesting around £35m and Sky Sports assert the two clubs stay in talks.
Soyuncu has conceded he needs to move to the Emirates Stadium subsequent to reprimanding offers from Turkish clubs.
Talking a week ago, he stated: “I wish I go to Arsenal.
“I truly need to play in the Premier League, however everything relies upon the team.
“I have an agreement [at Freiburg] for three more years.
“Truly, I got offers from a portion of the clubs in Turkey, however I didn’t acknowledge it.
“I don’t think playing in Turkey right now. I need to proceed with my career in Europe. Obviously we don’t recognize what will happen later on.
“Multi day I wear uniform in Turkey, however then this isn’t really the time.
“My present objective is to accomplish more noteworthy accomplishments in a bigger club.”
Soyuncu joined Freiburg from Altınordu in 2016 and has shown up for the Bundesliga club.
Altınordu are because of a cut of the money from the middle back’s best course of action.
The Turkish club’s leader Mehmet Ozkan stated: “Caglar Soyuncu is set to join Arsenal,” he said.
“Obviously we would make a cut from the exchange on the off chance that he joins Arsenal.
“Arsenal approached us for information on his opportunity at the club, we have assembled something for them which will be given over.”
Arsenal, who signed 20-year-old defender Konstantinos Mavropanos from PAS Giannina in January, are patching up their guard in front of the new season.
Goalkeeper Bernd Leno has joined from Bayer Leverkusen while ideal back Stephan Lichtsteiner has finished a complimentary gift move from Juventus.
An arrangement is likewise in the pipeline for Borussia Dortmund focus back Sokratis Papastathopoulos.