While at Marquette, Cubillán was the first man off the bench, backing up starting point guard, Dominic James.

[2] In July 2013, Cubillán signed with Maccabi Haifa of the Israeli Basketball Premier League.

[3] However, he was released from the roster that season, and moved to the Israeli club Maccabi Ashdod.

In August 2017, Cubillan announced that he is going to play in Brazilian league, using the colors of Flamengo.

Cubillán's strengths as a player, include his quickness, and his ability to shoot the three-point shot at a high percentage.