Complex sentence: In his early days playing in Europe, he played goaltender; however, his coach instructed him to play defence, which may help explain why he led the NHL in blocked shots in 2006--07 by a large margin.
Split into simpler sentences: In his early days playing in Europe, he played goaltender. However, his coach instructed him to play defence, which may help explain why he led the NHL in blocked shots in 2006--07 by a large margin.