Amaury Keith Rivas is a pitcher

Pitcher

In baseball, the pitcher is the player who throwsthe baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk. In the numbering system used to record defensive plays, the...

 who is currently on the Milwaukee Brewers

Milwaukee Brewers

The Milwaukee Brewers are a professional baseball team based in Milwaukee, Wisconsin, currently playing in the Central Division of Major League Baseball's National League...

 40-man roster.

Rivas began his professional career with the rookie league Arizona League Brewers in 2005. He split the 2006 season between Arizona and the rookie league Helena Brewers

Helena Brewers

The Helena Brewers are a minor league baseball team in the Pioneer League and are the Advanced Rookie League affiliate of the Milwaukee Brewers. They are located in Helena, Montana...

. After playing all of 2007 in Arizona, Rivas made it to the Class A West Virginia Power

West Virginia Power

This article is about the baseball team, for the electric utility serving southeast West Virginia from 1986-99, see Allegheny Energy.The West Virginia Power is a minor league baseball team of the South Atlantic League, and is the Class A affiliate of the Pittsburgh Pirates. They are located in...

 and Class A-Advanced Brevard County Manatees

Brevard County Manatees

The Brevard County Manatees are a minor league baseball team of the Florida State League, and are the A-Advanced affiliate of the Milwaukee Brewers...

 in 2008. He played the entire 2009 season with the Manatees, and was added to the Brewers' 40-man roster after the season.

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