Enerio Del Rosario is a right-handed pitcher with the Houston Astros

Houston Astros

The Houston Astros are a Major League Baseball team located in Houston, Texas. They are a member of the National League Central division. The Astros are expected to join the American League West division in 2013. Since , they have played their home games at Minute Maid Park, known as Enron Field...

. He was signed in 2005 at the age of 19.

He was added to the Reds' 40 man roster after the 2009 season to protect him from the Rule 5 draft

Rule 5 draft

The Rule 5 draft is a Major League Baseball player draft that occurs each year in December, at the annual Winter Meeting of general managers. The Rule 5 draft aims to prevent teams from stockpiling too many young players on their minor league affiliate teams when other teams would be willing to...

. He was designated for assignment

Designated for assignment

Designated for assignment is a contractual term used in Major League Baseball. When a player is designated for assignment, he is immediately removed from the club's 40-man roster. This gives the club 10 days to decide what to do with the player while freeing up a roster spot for another...

 on September 13, 2010.

On September 16, 2010 Del Rosario was traded to the Houston Astros

Houston Astros

The Houston Astros are a Major League Baseball team located in Houston, Texas. They are a member of the National League Central division. The Astros are expected to join the American League West division in 2013. Since , they have played their home games at Minute Maid Park, known as Enron Field...

 for cash considerations and added to the 40-man roster.

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