Astros prospect Singleton agrees to five-year deal, to debut Tuesday

Houston Astros first baseman Jon Singleton reacts after striking out.

Tommy Gilligan / USA TODAY Sports

HOUSTON — Highly touted Houston Astros prospect Jon Singleton agreed to a five-year contract and will make his major-league debut on Tuesday.

The Astros announced the deal and his promotion Monday during an off-day. Houston hosts the Los Angeles Angels on Tuesday night.

Singleton is rated by many as baseball's top first baseman of the future. His new deal runs through the 2018 season with club options for the following three seasons. Financial terms weren't disclosed.

The 22-year-old was hitting .267 with 14 homers and 43 RBIs for Triple-A Oklahoma City.

Singleton was acquired from Philadelphia in the 2011 trade for Hunter Pence. He was suspended 50 games last season for a second failed drug test.

Singleton told The Associated Press in spring training that he has an addiction to marijuana and had spent a month in a rehabilitation center last year.

First baseman Marc Krauss was sent to Triple-A to make room for Singleton.

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