Sample code below has been tested successfully in a JSFiddle:

https://jsfiddle.net/psrnbc3m/

Ajax call to fetch pitches

$.ajax({
  type: "GET",
  url: "https://raw.githubusercontent.com/rd-astros/hiring-resources/master/pitches.json",
  data: [],
  success: function(res) {
    const json = $.parseJSON(res);
    const pitches = json.queryResults.row;
  }
});