Complex sentence: In January 2010 it was announced that he would not renew his contract with Eintracht Frankfurt that was due to expire in summer 2010, instead he will join New York Red Bulls of Major League Soccer when the summer transfer window opens.
Split into simpler sentences: In January 2010 it was announced that he would not renew his contract with Eintracht Frankfurt that was due to expire in summer 2010. Instead he will join New York Red Bulls of Major League Soccer when the summer transfer window opens.