Here is an article on him, notnsure about its reliability but is a decent insight
Stefan Ortega has been the lifeblood for Arminia Bielefeld since his move from 1860 Munich in 2017. But with Bielefeld’s relegation, he's suddenly available on a free after yet another impressive campaign.
bulinews.com
See why we are after him from the below
His place in Europe’s 99th percentile with 55.76 touches per game demonstrates that Bielefeld lived and died off his calmness at the back
Makes sense, Steffan probably wants a bigger role in the squad, this guy is 29 so will accept a pay rise and decent squad at a team he'll get a chance to win trophies
Plus we will likely sell Steffan for a 8-figure sum, whereas this guy is a freebie...so a little bit extra cash in the kitty