Talking Baseball offers an article on how popular the game is on the island. And not just the local teams:

But for all of this knowledge, they do not know, according to Wendel, the physical descriptions of Major League Baseball players. Due to the embargo between Cuba and the United States, the MLB games are not broadcast over the air to Cuba.

During his 1992 trip, Wendel was sitting in the lower deck of the stadium in Havana when an older man next to him noted that he was American. This old Cuban baseball fan starting asking Wendel about the 1991 World Series Champion Minnesota Twins. When Wendel started telling him the names of the players, the man cut him off. He knew all of their season statistics and individual accomplishments. "I need to know what they look like," the Cuban said to Wendel.

Meanwhile, The Bases are Loaded is out on DVD. It's the story of Monte Irvin's return to Cuba to reunite with former teammate and Cuban baseball icon Connie Marrero after a 50-year separation.