Complex sentence: On June 29,2011, Wisniewski's rights were traded to the Columbus Blue Jackets in exchange for a conditional seventh-round draft pick in 2012; the pick would become a fifth-rounder if Columbus signed him.
Split into simpler sentences: On June 29,2011, his rights were traded to the Columbus Blue Jackets in exchange for a conditional seventh-round draft pick in 2012. The pick would become a fifth-rounder if Columbus signed him.