These are the primary sources for portal entries:
1) Wrestlestat Transfer Portal: https://www.wrestlestat.com/transferportal
2) FloSports will publish a new tracker each year where they also keep track
3) Social Media: X and Instagram
4) Wrestling team forums
I have been aggregating these by hand for the last few years, but it's becoming too much. I've tried learning python so that the community can still have the information, but I have found it difficult to manage on the side of what is already a lot on my plate