New WIns and Rounds DataStore

local TeleportService = game:GetService("TeleportService")
local WinsDataStore = game:GetService("DataStoreService"):GetDataStore("Wins")
local RoundsDataStore = game:GetService("DataStoreService"):GetDataStore("Rounds")

game.Players.PlayerAdded:Connect(function(player)
    local previousData = WinsDataStore:GetAsync(player.UserId) -- Returns a number value.
    local previousData2 = RoundsDataStore:GetAsync(player.UserId)

    local leaderstats = Instance.new("Folder", player)
    leaderstats.Name = "leaderstats"

    local Wins
    local Rounds

    if previousData ~= nil then
        Wins = previousData
    else
        Wins = 0
        WinsDataStore:SetAsync(player.UserId, 0)
    end

    local WinsValue = Instance.new("NumberValue", leaderstats)
    WinsValue.Name = "Wins"
    WinsValue.Value = Wins

    if previousData2 ~= nil then
        Rounds = previousData2
    else
        Rounds = 0
        RoundsDataStore:SetAsync(player.UserId, 0)
    end

    local RoundsValue = Instance.new("NumberValue", leaderstats)
    RoundsValue.Name = "Rounds"
    RoundsValue.Value = Rounds

end)

game:BindToClose(function() -- Runs whenver the server is about to shut down/stop.
    print("STOPPED!")

    for i,player in pairs(game.Players:GetPlayers()) do
        local value = player.leaderstats.Wins.Value
        local value2 = player.leaderstats.Rounds.Value

        WinsDataStore:SetAsync(player.UserId, value)
        RoundsDataStore:SetAsync(player.UserId, value2)
        print("Saved data for "..player.Name)
    end
end)

game.Players.PlayerRemoving:Connect(function(player)
    local value = player.leaderstats.Wins.Value
    local value2 = player.leaderstats.Rounds.Value

    if value ~= nil and value2 ~= nil then
        print("Found data to save for "..player.Name.."!")
        WinsDataStore:SetAsync(player.UserId, value)
        RoundsDataStore:SetAsync(player.UserId, value2)
        print("Saved data for "..player.Name)
    else
        print("Did not manage to find data to save for "..player.Name.."!")
    end
end)