Houston Dynamo FC acquired midfielder Jack McGlynn from the Philadelphia Union on Monday in a historic exchange. Houston sent Philadelphia $2.1 million for the 21-year-old U.S. Men’s national team member,

United States international Jack McGlynn as joined the Houston Dynamo on a permanent deal from the Philadelphia Union, the two teams announced on Monday.

The Houston Dynamo FC acquired Philadelphia Union midfielder Jack McGlynn in the first cash-for-homegrown player trade in Major League Soccer history on Monday.

The Philadelphia Union sold the contract of 21-year-old midfielder Jack McGlynn to the Houston Dynamo on Monday for a minimum $2.1 million. Philadelphia said it may receive as much as an additional $1.