LGツインズ
Sosa signed with the LG Twins of the Korea Baseball Organization for the 2015 season. He re-signed with LG Twins for the 2016, 2017 and 2018 seasons. Since then, he has become one of the most well-known veteran foreign pitchers in the KBO League alongside Dustin Nippert. He became a free agent following the 2018 season.