The 2016 edition of US Open Cup will conclude...shortly. Per Sports Illustrated's Brian Straus, the final between FC Dallas and New England Revolution is in the process of being rescheduled:
Looks like ESPN schedule will bring US Open Cup final forward a week to Sept 13-14. Awaiting confirmation. FC Dallas-New England in Frisco.
— Brian Straus (@BrianStraus) August 17, 2016
A release from US Soccer notes simply that the showpiece game of the oldest tournament it presides over will be held "in September on a date to be determined.