Alberto A. Árias is a Dominican

Dominican Republic

The Dominican Republic is a nation on the island of La Hispaniola, part of the Greater Antilles archipelago in the Caribbean region. The western third of the island is occupied by the nation of Haiti, making Hispaniola one of two Caribbean islands that are shared by two countries...

 professional baseball

Baseball

Baseball is a bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond...

 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...

 for 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...

 of Major League Baseball

Major League Baseball

Major League Baseball is the highest level of professional baseball in the United States and Canada, consisting of teams that play in the National League and the American League...

.

In , Árias played in Minor League Baseball

Minor league baseball

Minor league baseball is a hierarchy of professional baseball leagues in the Americas that compete at levels below Major League Baseball and provide opportunities for player development. All of the minor leagues are operated as independent businesses...

 with the Tulsa Drillers

Tulsa Drillers

The Tulsa Drillers are a minor league baseball team based in Tulsa, Oklahoma. The team, which plays in the Texas League, is the Double-A affiliate of the Colorado Rockies major-league club.-Stadium:...

. Árias made his MLB debut with the Colorado Rockies

Colorado Rockies

The Colorado Rockies are a Major League Baseball team based in Denver, Colorado. Established in 1991, they started play in 1993 and are in the West Division of the National League. The team is named after the Rocky Mountains...

 in and made 6 relief appearances, going 1-0 with a 4.91 ERA

Earned run average

In baseball statistics, earned run average is the mean of earned runs given up by a pitcher per nine innings pitched. It is determined by dividing the number of earned runs allowed by the number of innings pitched and multiplying by nine...

. On July 31, 2008, the Houston Astros claimed him off waivers from the Rockies and assigned him to Triple-A Round Rock

Round Rock Express

The Round Rock Express is a class Triple-A Pacific Coast League minor league baseball team in Round Rock, Texas, owned by RSR Sports and founded by Reid Ryan, son of Baseball Hall of Famer Nolan Ryan. The team is affiliated with the Texas Rangers, for whom Nolan Ryan serves as the president and...

.

In 2009, Árias took a big step forward in his career, setting career-best marks in games played

Games played

Games played is a statistic used in team sports to indicate the total number of games in which a player has participated ; the statistic is generally applied irrespective of whatever portion of the game is contested.-Baseball:In baseball, the statistic applies also to players who, prior to a game,...

 (42), innings pitched

Innings pitched

In baseball, innings pitched are the number of innings a pitcher has completed, measured by the number of batters and baserunners that are put out while the pitcher on the pitching mound in a game. Three outs made is equal to one inning pitched. One out counts as one-third of an inning, and two...

 (45.2), WHIP

Walks plus hits per inning pitched

In baseball statistics, walks plus hits per inning pitched is a sabermetric measurement of the number of baserunners a pitcher has allowed per inning pitched. It is a measure of a pitcher's ability to prevent batters from reaching base...

 (1.489) and ERA

Earned run average

In baseball statistics, earned run average is the mean of earned runs given up by a pitcher per nine innings pitched. It is determined by dividing the number of earned runs allowed by the number of innings pitched and multiplying by nine...

 (3.35).

Árias missed the 2010 and 2011 seasons due to injury. On October 24, 2011, he re-signed a minor league contract with the Astros.

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