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According to the article provided in the post above by RJS, the Saints and one other team (unknown) had 4 UDFAs make the final cut.Do we have the most UDFAs to make the final cut?
So, the answer to your question is Yes, assuming the article is correct, and here is the breakdown.
UDFAs Per Team
4 - 2 Teams
3 - 4 Teams
2 - 6 Teams
1 - 12 Teams
0 - 8 Teams