"Gaston Sirino is a great player and good human being; I had the pleasure of knowing him, helping him when we were teammates," the now 46-year-old Chilean, who played for Masandawana from 2007 to 2009, told SNL24.
"He is an extraordinary player and an admirable person. We don't always remember all the players we played with, especially me, but with Gaston, it is impossible not to do so.
"Gaston is unforgettable for me, thanks to football. "I had the fortune of sharing (the field) with great South American players and Gaston is undoubtedly one of them," Acuna added.
"Simply a genius on and off the field and I thank football for giving me the opportunity to share the dressing room with him.
"Send him a big hug and tell him that I always remember him with great affection and that I will never forget what he told me when he saw me. It's scaring me..."