Complex sentence: Alcántara's minor league success did not carry over to the little time he spent in the Major Leagues, as he played parts of two seasons for the Boston Red Sox, debuting in the major leagues on June 25,2000.
Split into simpler sentences: Alcántara's minor league success did not carry over to the little time he spent in the Major Leagues. He played two years for the Boston Red Sox, debuting in the major leagues on June 25,2000.