The fourth round of the US Open Cup has been set and Houston will face the winner of the San Antonio Scorpions-Austin Aztex matchup.
San Antonio competes in the NASL while Austin plays in the USL. They play on May 27 at 7:30pm CT at Toyota Field in San Antonio. Regardless of who wins, Scorpions or Aztex, they will be travelling to Houston for the game but according to the US Soccer website the date for the game hasn't been set.
The fourth round is the first round that will have MLS team participation all the games prior have been between USL, NASL and/or lower division teams. You can check out our article on the 2015 US Open Cup schedule and format here.