$.ajax({

  type: 'get',

  url: 'http://jsbin.com/zinefu/1.json',

  dataType: 'json'

}).done(function(data){

  data = _.groupBy(data,'matchday');

  $.each(data, function(index, day){

    var matchdatediv = $('<div>');

    var h1 = $('<h1>').html(day[0].matchday);

    matchdatediv.append(h1);

    $.each(day,function(index2, game){

      var div = $('<div>');

      var h4 = $('<h4>').html(game.homeTeam);

      div.append(h4);

      matchdatediv.append(div);

    });

    $('#fixtures').append(matchdatediv);

  });

});

​