Rogelio Álvarez, who debuted in MLB in 1960, was barred from continuing his professional career in the United States, and defected from Cuba through Mexico in 1963.
[1] After the fall of the Soviet Union in 1991, Cuba's economy struggled badly and faced severe repercussions from the embargo.
[5] Players attempting to play in MLB often choose not to defect to the U.S. or Canada, because establishing residency there subjects them to the Major League Baseball draft.
[2][15] Players who defect are often separated from their families,[16] leading to severed relationships, such as between Jorge Toca and the mother of his son.
The agreement created a legal path for Cuban baseball players to sign with MLB teams without having to defect.