The Fire had been affiliated with the USL 's St. Louis FC for the past two seasons ( 2015 - 16 ) .
The USL 's Tulsa Roughnecks FC announced it will be the USL affiliate for Major League Soccer 's Chicago Fire during the 2017 season .
The Chicago Fire had been affiliated with the USL 's St. Louis FC for the past two seasons ( 2015 - 16 ) .
The USL 's Tulsa Roughnecks FC announced it will be the USL affiliate for Major League Soccer 's Chicago Fire during the 2017 season .