Marcus Pettersson of the Pittsburgh Penguins has been added to the Swedish national team for the upcoming IIHF world championships in Czechia. He joins Erik Karlsson, his defensive partner for much of the past season, who was named to the team Tuesday. Pettersson, known for his defensive prowess, contributed four goals and 26 assists in 82 games during the regular season. Meanwhile, Penguins winger Rickard Rakell has declined an invitation to participate due to a shoulder injury sustained during the season.