C#
void SortPlayers(string winnerName)
{
    int winnerIndex = playerNames.IndexOf(winnerName);
    int aboveWinnerIndex = winnerIndex - 1;
    string aboveWinnerName = playerNames[aboveWinnerIndex];
    while (aboveWinnerIndex > 0 && playerWins[winnerName] > playerWins[aboveWinnerName])
    {
        aboveWinnerIndex--;
        aboveWinnerName = playerNames[aboveWinnerIndex];
    }
    playerNames[winnerIndex] = aboveWinnerName;
    playerNames[aboveWinnerIndex] = winnerName;
    UpdatePlayerList();
}

C#
void SortPlayers(string winnerName)
{
    int winnerIndex = playerNames.IndexOf(winnerName);
    int aboveWinnerIndex = winnerIndex - 1;
    string aboveWinnerName = playerNames[aboveWinnerIndex];
    while (aboveWinnerIndex > 0 && playerWins[winnerName] > playerWins[aboveWinnerName])
    {
        aboveWinnerIndex--;
        aboveWinnerName = playerNames[aboveWinnerIndex];
    }
    playerNames[winnerIndex] = aboveWinnerName;
    playerNames[aboveWinnerIndex] = winnerName;
    UpdatePlayerList();
}