.NET MVC JSON to Web Service to JSON to Controller

I have a text box in my "/Shared/_Layout.cshtml" page (so, obviously, this appears on every page of the Website) and I am having a heck of a time tyring to accomplish the following.

I'm sure I'm missing something, but if anyone can help that'd be great.

So, the user inputs text into the text box for searching purposes. When the user clicks "enter", a JavaScript function is called that, in turn, calls a Web Service.

The Web Service takes the inputted text and gets the results in a List<Fixtures>.

Here is the JavaScript:

function submitSearch(text) {
    var params = "{'text':'" + text + "'}";

    $.ajax({
        type: "POST",
        url: "/Services/Search.asmx/SearchProducts",
        data: params,
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: function (arg) { searchSuccess(arg, text); },
        error: function () { alert("An Error Occured Retrieving the Data."); }
    });
}

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Here is the Web Service:

[WebMethod]
public List<Fixtures> SearchProducts(string text)
{
    Session sh = SessionHelper.GetSessionObject();
    List<Fixtures> myFixtures = SearchLogic.GetSearchResults(sh.BrandObject, text);
    sh = null;

    if (myFixtures != null && myFixtures.Count > 0)
    {
        List<Fixtures> nonDupes = myFixtures.GroupBy(x => x.Name).Select(y => y.First()).ToList();
        if (nonDupes != null && nonDupes.Count > 0) myFixtures = nonDupes;
        nonDupes = null;
    }

    return myFixtures;
}

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Then the "searchSuccess()" javascript function gets called. In that function, I want to pass the returned value from the Web Service (now stored in "arg.d") and send it to a Controller.

Here is the searchSuccess() function:

function searchSuccess(arg, text) {
    var params = "{'myFixtures':'" + arg.d + "'}";

    $.ajax({
        type: "POST",
        url: "/Products/Search",
        data: params,
        contentType: "application/json; charset=utf-8",
        dataType: "json"
    });
}

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This is where the issue is happening.

In the attached image at the top of the page, you will notice that in the searchSuccess() function, arg.d does have the List<Fixtures> object and its 13 Fixtures objects that are in the List.

However, when I try to send that to the Controller, you'll notice the object gets sent over but the object is empty (see 2nd attached image (mvc2.gif) at the bottom of the page).

Here is the Controller:

public ActionResult Search(List<Fixtures> myFixtures)
{
    if (myFixtures != null && myFixtures.Count > 0) return View("Fixtures", myFixtures.ToPagedList(0, 1000));
    else return View();
}

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Any idea why it won't pass the entire object through and how would I go about doing this?
mvc2.gif