Cuban left-handed pitcher Gerardo Concepción has agreed to a multi-year contract with the Chicago Cubs worth a reported $7 million, The Chicago Tribune reported Thursday night.

The 19-year-old, last season's Cuban National Series Rookie of the Year, is not expected to make it straight into the Cubs' rotation.

"I would not throw him into the major leagues yet," Concepción's agent Jaime Torres told The Tribune.

"While I think he can make it really fast, he is only 19. But this kid has good stuff, a great makeup and he's extremely intelligent."

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The Cubs crosstown rivals, the White Sox, were also in the running to secure Concepción. 

The teenager defected from Cuba last year during the World Port Tournament in Rotterdam, Netherlands and recently established residency in Mexico -- with Major League Baseball declaring him a free-agent last month.

He has been working at a baseball academy in the Dominican Republic in preparation for his big league signing. 

In Cuba, Concepción was named the Cuban National Series Rookie of the Year and finished the 2010-11 season with a 10-3 win-loss record and a 3.36 earned run average (ERA).

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His scouting report lists Concepción at six-feet, two-inches with a solid command of the fastball, which registers in the low 90 miles per hour. He also has in his arsenal a curveball and a change-up. 

His throwing style has him coming across his body, which while creating deception could hinder him from being a consistent player. 

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