By Lizzy Becherano New York City FC is set to take onPhiladelphia Union in the Eastern Conference final on Sunday at Subaru Park. The Cityzens are coming off two great victories, defeating Inter Miami 3-0 and CF Montreal 3-1 to reach the coveted final. But interim head coach Nick Cushing voiced concerns ahead of the upcoming match, as several key figures remain in question. Lingering injury concerns haunt forward Talles Magno, Maxi Moralez, Alfredo Morales, Maxime Chanot and Tayvon Gray. Though Cushing is not officially ruling out their availability, the players did not train to their maximum …