Hi. I'm trying to sort my list of strings by a #'s that occur near the end of the string.

Example:

PLAYER_NAME: Temp PLAYER_SCORE: 1
PLAYER_NAME: Temp PLAYER_SCORE: 7
PLAYER_NAME: Temp PLAYER_SCORE: 4


Now I want it to appear like this on my output:

Name: Temp Score: 7
Name: Temp Score: 4
Name: Temp Score: 1


I have it outputting properly expect its not sorting my Score.

Here is my current code:

Note, I'm using XNA 3.1 but this is WinForm Code for Reading and Sorting.

Code:
            string line;
            string leaderName = string.Empty;
            string leaderScore = string.Empty;
            int lastScore = 0;
            int currentScore = 0;
            List<string> Leaderboard = new List<string>();
            UIYourScore = new UIClass();
            UIYourScore.FontType = Game.Content.Load<SpriteFont>(@"UIScoreFont");
            UIYourScore.Value = Player.Score;
            UIYourScore.String = "Your Score: " + UIYourScore.Value.ToString();
            UIYourScore.Position = new Vector2(250, 150);
            UIBestScore = new UIClass();
            UIBestScore.FontType = Game.Content.Load<SpriteFont>(@"UIScoreFOnt");
            File.AppendAllText(StorageContainer.TitleLocation + @"\Leaderboard.txt", 
                "PLAYER_NAME: Temp" + Environment.NewLine +
                "PLAYER_SCORE: " + Player.Score.ToString() + Environment.NewLine);
            TextReader tr = new StreamReader(StorageContainer.TitleLocation + @"\Leaderboard.txt");
            while ((line = tr.ReadLine()) != null)
            {
                if (line.Contains("PLAYER_NAME: "))
                {
                    line = line.Remove(0, 13);
                    leaderName = line;
                }
                if (line.Contains("PLAYER_SCORE: "))
                {
                    line = line.Remove(0, 14);
                    lastScore = int.Parse(line);
                    leaderScore = lastScore.ToString();
                    if (currentScore <= lastScore)
                    {
                        currentScore = lastScore;
                        UIBestScore.Value = currentScore;
                    }
                    Leaderboard.Add("Name: " + leaderName + "\t Score: " + leaderScore);
                }
            }
            tr.Close();
            UIBestScore.String = "Best Score: " + UIBestScore.Value.ToString();
            UIBestScore.Position = new Vector2(250, 175);
            UILeaderboard = new UIClass[Leaderboard.Count - 1];
            for (int i = 0; i < Leaderboard.Count - 1; i++)
            {
                UILeaderboard[i] = new UIClass();
                UILeaderboard[i].FontType = Game.Content.Load<SpriteFont>(@"UIScoreFont");
                UILeaderboard[i].String = Leaderboard[i] + Environment.NewLine;
                if (i == 0)
                    UILeaderboard[i].Position = new Vector2(800, 150);
                else
                    UILeaderboard[i].Position = new Vector2(800, UILeaderboard[i - 1].Position.Y + 20);
            }