Antonio Alfonseca, a right-handed relief pitcher from the Dominican Republic, is best remembered for his unique physical trait and his role as a closer in Major League Baseball. Born on April 16, 1972, in La Romana, Dominican Republic, Alfonseca was known for having six fingers on each hand and six toes on each foot, a condition known as polydactyly. This distinctive feature earned him the nickname "El Pulpo," which translates to "The Octopus."

Alfonseca began his professional baseball career when he was signed by the Montreal Expos as an amateur free agent in 1989. However, he did not make his major league debut until several years later, after being traded to the Florida Marlins in 1993. It was with the Marlins that Alfonseca would eventually rise to prominence in the late 1990s.

His major league debut came on June 17, 1997, with the Florida Marlins. During his rookie season, Alfonseca played a supporting role in the bullpen, contributing to the Marlins' successful campaign that culminated in a World Series championship. Although he did not play a central role in the postseason, being part of a World Series-winning team was a significant milestone early in his career.

Alfonseca's career reached a peak in 2000 when he became the Marlins' primary closer. That year, he led the National League with 45 saves, earning him the Rolaids Relief Man Award. His performance was characterized by a powerful fastball and a reliable slider, which made him a challenging opponent for batters in the late innings of games. Despite his success in 2000, Alfonseca's tenure as a closer was marked by inconsistency in subsequent seasons.

In 2002, Alfonseca was traded to the Chicago Cubs, where he continued to serve as a relief pitcher. His time with the Cubs was a mix of highs and lows, as he struggled with control issues and fluctuating performance. Nevertheless, he remained a valuable asset in the bullpen, providing experience and depth.

Alfonseca's journey in the major leagues also included stints with the Atlanta Braves, Texas Rangers, and Philadelphia Phillies. With each team, he brought his experience and unique presence to the mound, often serving as a setup man or middle reliever. His ability to adapt to different roles within the bullpen was a testament to his understanding of the game and his willingness to contribute in various capacities.

Throughout his career, Alfonseca was known for his distinctive pitching style and his ability to maintain composure under pressure. His physical anomaly, while often a topic of conversation, did not define his abilities on the field. Instead, it added to his persona as a player who embraced his uniqueness and used it to his advantage.

After leaving Major League Baseball, Alfonseca continued to play professionally in other leagues, including a stint in the Mexican League. His career in baseball extended beyond the major leagues, demonstrating his enduring love for the game and his desire to continue playing at a competitive level.