When someone registers, I would like to be able to see a spreadsheet of who registered and the breakdown of what players registered for what team.

lso, when someone registers, I would like to be able to see a spreadsheet

You can achieve your requirement by exporting the submission data as an Excel file or CSV. Please follow this guide How to Export Form Data to Excel. By doing so, you will be able to see all the submissions in a spreadsheet.

You can also check all the submissions in your form's submissions page. Here's our guide on How to View Form Submissions

Please let us know if you need further assistance.
Regards.