Reports: German left back Kai Wagner linked to the Philadelphia Union

German left back Kai Wagner could be on his way to the Philadelphia Union.

The 21-year-old defender has previously been linked to an MLS move from third division German team Würzburger Kickers, but a pair of reports Monday named the Philadelphia Union as the possible destination.

Germany’s Main Post had a report naming the Union and Philly.com’s Jonathan Tannenwald followed with confirmation that the two sides are discussing a deal.

Wagner wouldn’t be the first left back to come to the Union from the lower leagues in Germany. Gialano Wijnaldum spent the 2017 season with the Union, splitting time between the first time in Steel FC after joining the organization from VfL Bochum.

The Union currently have two left backs on the roster in veteran Fabinho and 19-year-old Drexel Hill native Matthew Real. Wagner would occupy the eighth and final international roster spot as things currently stand. This wouldn’t necessarily prohibit them signing another international player since they have the option of loaning players to Steel FC to meet roster rules, could trade for an additional spot and may also be close to getting green cards for one or more of their current international players.

If he signs this week, he’d give the Union 25 players on their first team roster with at least one more central midfielder signing expected.