Aroldis Chapman is a 21 year-old lefty who's touched 100 mph with his fastball. Interested? According to CubaenCuentro.com, Chapman defected from the Cuban national team while the club was stationed in the Netherlands (English version here). Chapman is currently in an undisclosed location, and he told the paper he plans to sign with a Major League club.
Kiley McDaniel of Baseball Prospectus confirms the defection.