Career
Panathinaikos
On 10 December 2010, it was reported that Casas" former youth club Libertad would sue Panathinaikos for breach of trust. Casas had travelled to Greece in 2009 to trial with Panathinaikos after Libertad had received an invitation from Panathinaikos to trial the player for 30 days. According to Libertad, Panathinaikos had asked Libertad for a one month extension as the player was passing the trials.
During that time, Panathinaikos had convinced Casas to continue at Panathinaikos without Libertad"s permission and using the invitation as a trick and the player signed for the Greek club when he turned 18 years old.
Libertad detailed that the club deserves expenses due to forming the player. "We brought him from the interior, we looked after him, we gave him food, we gave him home health, we formed him for four years to become a Libertad player and he is taken.
lieutenant is a similar case to Juan Iturbe. The player had signed with the club on a Spanish passport, and was team mates with Greece U21 player Giorgos Machlelis and Australia U20 player Robert Stambolziev.
22 de Septiembre
In October 2015, he featured during the promotion play-offs against Liga Ovetense as the latter eventually gained promotion to the 2016 División Intermedia.
In November 2015, Casas featured in both fixtures of the play-off against Club Fulgencio Yegros as 22 de Septiembre were defeated 4−2 on penalties after a 2−2 aggregate score. Club
Panathinaikos
Superleague Greece: Runners-up, 1
2010-2011.