The group of 3 players you mentioned, were they the ones that played in several tournaments a few days before the deadline, in several states? It was questioned whether they actually appeared in one of them as I recall.
Rodriguez and Olea in 2015 and Silvestre in 2014. Since the 2014 MCO only required 25 games, Silvestre had to add some more in 2015 to reach 50.
231 entries to date for MC3
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