Julio Santana was a Dominican professional baseball player who played as a relief pitcher in Major League Baseball (MLB) for several teams. He was born on March 13, 1974, in San Cristobal, Dominican Republic. Santana began his professional baseball career in 1992 when he signed with the Houston Astros as an amateur free agent.

Santana made his MLB debut on April 4, 1997, with the Houston Astros. He played for the Astros for three seasons before being traded to the Detroit Tigers in 2000. Santana played for the Tigers for one season before being traded to the Kansas City Royals in 2001. He played for the Royals for two seasons before being traded to the Pittsburgh Pirates in 2003.

Santana played for the Pirates for one season before being traded to the Milwaukee Brewers in 2004. He played for the Brewers for one season before being traded to the Minnesota Twins in 2005. Santana played for the Twins for one season before being released in 2006.

Throughout his career, Santana was primarily used as a relief pitcher. He had a career record of 17-23 with an earned run average (ERA) of 5.04. Santana appeared in 266 games, pitching a total of 324 innings. He recorded 253 strikeouts and 139 walks.

Santana's best season was in 2002 when he played for the Kansas City Royals. He appeared in 67 games, pitching a total of 77 innings. He had a record of 6-4 with an ERA of 3.57. Santana recorded 63 strikeouts and 29 walks.

After being released by the Minnesota Twins in 2006, Santana played for several minor league teams before retiring from professional baseball in 2008.

In conclusion, Julio Santana was a Dominican professional baseball player who played as a relief pitcher in MLB for several teams. He played for the Houston Astros, Detroit Tigers, Kansas City Royals, Pittsburgh Pirates, Milwaukee Brewers, and Minnesota Twins. Santana had a career record of 17-23 with an ERA of 5.04. His best season was in 2002 when he played for the Kansas City Royals. Santana retired from professional baseball in 2008.