Complex sentence: When the Braves assigned him to the Triple-A Richmond Braves at the end of the season, Blanco opted for free agency and, in December 2003, he signed a one year, $750,000 contract to play for the Minnesota Twins.
Split into simpler sentences: When the Braves assigned him to the Triple-A Richmond Braves at the end of the season, Blanco opted for free agency. In December 2003, he signed a one year, $750,000 contract to play for the Minnesota Twins.