According to Desky reporter Florian Plettenberg, Aaronson will join Colorado Rapids and the transaction has been completed.
reported that the Colorado Rapids have reached a complete agreement with Frankfurt, and the team has reached an oral agreement with the player himself. The transfer fee for this transaction is 7 million euros fixed + 1.5 million euros potential bonus.
Aaronson is 21 years old and is a midfielder from the United States.