Complex sentence: Santa Cruz is good friends with long-time Bayern Munich team-mate Owen Hargreaves, who taught him English, also lived nearby to each other in the city of Manchester whilst Santa Cruz was playing for Blackburn Rovers in 2007.
Split into simpler sentences: Santa Cruz is good friends with long-time Bayern Munich teammate Owen Hargreaves, who taught him the English language. Hargreaves and Santa Cruz lived nearby to each other in the city of Manchester while Santa Cruz was playing for Blackburn in 2007.