Carlos Pena's baseball journey began in the youth leagues of the Dominican Republic, where he showcased his exceptional talent. He moved to the United States to pursue his dream when he was drafted by the Texas Rangers in 1998. His early years in the minor leagues allowed him to hone his skills and develop his game. Despite facing challenges, including injuries and limited playing time, he remained committed to his goal of making it to the MLB.
In 2001, Carlos Pena made his major league debut with the Texas Rangers, marking a significant milestone in his baseball career. However, his time with the Rangers was short-lived as he was traded to the Oakland Athletics shortly after. This trade proved to be a turning point for Pena, as it set the stage for his future success in the league. His perseverance paid off, and he began to establish himself as a formidable player in the years to come.