This lists both Democratic and Republican Delegates won thus far:
presidential candidates 2020 - Google Search
https://www.google.com/search?q=presidential+candidates+2020&oq=presidential+candidates+2020&aqs=chrome..69i57j0l3j69i65.1436j0j6&client=ms-android-sprint-us-revc&sourceid=chrome-mobile&ie=UTF-8