19-year-old American Paxten Aaronson transfers to Bundesliga for $4 million plus add-ons
The Philadelphia Union agreed to transfer homegrown midfielder Paxten Aaronson on Thursday to German side Eintracht Frankfurt of Bundesliga for a multimillion-dollar transfer fee.
The Union will also retain a percentage of any future transfer fees for Aaronson, who will join Frankfurt in January.