Juan Rincon is a former professional baseball player who played as a relief pitcher in Major League Baseball (MLB) for several teams. He was born on January 23, 1979, in Miranda, Venezuela, and began his professional career in 1996 when he signed with the Minnesota Twins as an amateur free agent.

Rincon made his MLB debut with the Twins in 2001 and quickly established himself as a reliable relief pitcher. He had a strong fastball and a sharp slider that made him a valuable asset in the bullpen. Rincon was known for his ability to pitch in high-pressure situations and was often called upon to close out games.

During his time with the Twins, Rincon was part of a successful team that won the American League Central division in 2002, 2003, and 2004. He played a key role in the team's success, appearing in over 70 games each season and posting impressive statistics. In 2004, Rincon had a career-best season, recording a 2.63 earned run average (ERA) and 106 strikeouts in 77 innings pitched.

In 2008, Rincon was traded to the Cleveland Indians, where he continued to pitch well out of the bullpen. He appeared in 44 games for the Indians that season, recording a 5-3 record and a 5.60 ERA. Rincon also pitched for the Detroit Tigers and the Los Angeles Angels of Anaheim before retiring from baseball in 2010.

Overall, Rincon had a successful career as a relief pitcher in MLB. He appeared in 444 games over 11 seasons, recording a 35-27 record, a 3.81 ERA, and 519 strikeouts in 535 innings pitched. Rincon was known for his consistency and durability, and he was a valuable member of several successful teams throughout his career.