Only a couple changes to Union lineup expected for NYCFC showdown With the second leg of the Champions League on Tuesday, head coach Jim Curtin says he will make a couple changes but won’t be rotating much Share this story Matt Ralph Hopes that Philadelphia Union head coach Jim Curtin would rotate his squad with multiple young homegrowns were somewhat dashed on Friday with comments Curtin made in a press conference with reporters. “We’re not going to rotate and change 7-8 guys; that’s a recipe for disaster in our league and the data shows that,” Curtin said.