In an online Time Magazine article, Guillen, a native of Venezuela, said that he loved Fidel Castro.
"I respect Fidel Castro," Guillen was quoted as saying. " You know why? A lot of people have wanted to kill Fidel Castro for the last 60 years, but that mother****** is still here."
The Miami Marlins released a statement Friday in response to the article.
"We are aware of the article," said a spokeswoman for the baseball team."There is nothing to respect about Fidel Casto. He is a brutal dictator who has caused unthinkable pain for more than 50 years. We live in a community filled with victims of this dictatorship and the people in Cuba continue to suffer today."
Guillen, who was called "the most unfiltered figure in baseball" in the article, joined the Marlins in September after former manager Jack McKeon retired.
The team recently underwent a makeover, which included new players, new uniforms and a new stadium in the heart of a large Cuban community.
Guillen recently got attention when he said that he gets drunk after every away game, win or lose.
"I get drunk because I'm happy we win or I get drunk because I'm very sad and disturbed because we lose," Guillen was quoted as saying by CBS Sports.