Complex sentence: Morrison's first season in the Swedish Elitserien (SEL) was with Modo Hockey, where he had 28 points in 34 games (18 goals, 10 assists), +9 rating, and helped lead Modo to an SEL Championship.
Split into simpler sentences: Morrison's first season overseas was in the Swedish Elitserien (SEL) playing for Modo Hockey. For Modo, Morrison tallied 28 points in 34 games (18 goals, 10 assists) and helped lead Modo to an SEL Championship.