No official announcement has been made yet .
It 's unclear whether the unbeaten Vargas will be defending his junior welterweight title , with Bradley coming back down in weight , or if Vargas is moving up to 147 lbs and looking to get in the mix there .
No official announcement has been made yet , so it 's unclear whether the unbeaten Vargas will be defending his junior welterweight title , with Bradley coming back down in weight , or if Vargas is moving up to 147 lbs and looking to get in the mix there .