using System;

using System.Collections.Generic;

using System.Globalization;

using Newtonsoft.Json;

using Newtonsoft.Json.Converters;

using System.Linq;

​

public class Program

{

    public static string jsonStr = "{\"Football\": {\"Players\": [{\"id\": \"1\",\"Name\": \"Gabriel\"},{\"id\": \"2\",\"Name\": \"Leozin\"},{\"id\": \"3\",\"Name\": \"Gustavinho\"},{\"id\": \"4\",\"Name\": \"Bira\"},{\"id\": \"5\",\"Name\": \"Alvin\"},{\"id\": \"6\",\"Name\": \"Sugar\"},{\"id\": \"7\",\"Name\": \"Donato\"},{\"id\": \"8\",\"Name\": \"Alessandro\"},{\"id\": \"9\",\"Name\": \"Kenji\"},{\"id\": \"10\",\"Name\": \"Kleber\"},{\"id\": \"11\",\"Name\": \"Lem\u00E3o\"},{\"id\": \"12\",\"Name\": \"Jonatas\"},{\"id\": \"13\",\"Name\": \"Abdo\"},{\"id\": \"14\",\"Name\": \"Kleber\"}]}}";

    public static void Main()

    {

        var jsonObject = JsonConvert.DeserializeObject<FootballJson>(jsonStr);

        var listOfLines = jsonObject.Football.Players.ToList();

        var genRandoms = new Random();

        var numberRequired = listOfLines.Count / 2;

        var output = new List<Player>();

        for (var i = 0; i < numberRequired; i++)

        {

            var aRandomTeam = genRandoms.Next(listOfLines.Count);

            output.Add(listOfLines[aRandomTeam]);

            listOfLines.RemoveAt(aRandomTeam);

        }

        foreach(var item in listOfLines)

            Console.WriteLine(item.Name);

        Console.WriteLine("\n> Second: ");

        foreach(var item in output)

            Console.WriteLine(item.Name);

    }

}

​

​

public partial class FootballJson

{

    [JsonProperty("Football")]

    public Football Football

    {

        get;

        set;

    }

}

​

public partial class Football

{

    [JsonProperty("Players")]

    public List<Player> Players

    {

        get;

        set;

    }

}

​

public partial class Player

{

    [JsonProperty("id")]

    public string Id

    {

        get;

        set;

    }

​

    [JsonProperty("Name")]

    public string Name

    {

        get;

        set;

    }

}

​