Toronto Maple Leafs star winger William Nylander has been sidelined due to an undisclosed ailment, leading to speculation about his health throughout the series against the Boston Bruins. Despite resuming full practice, Nylander has remained tight-lipped about the reasons for his absence.

• William Nylander remained tight-lipped about the reasons for his absence, stating, "Look, that’s just personal."
• He has been a key player for the Leafs in previous playoff seasons, ranking third in playoff scoring since 2016-17 and leading the team in scoring during the 2021 playoffs with eight points in seven games.

• William Nylander's return to the lineup is uncertain, with the coach stating that his status for the upcoming game needs to be determined.
• Despite participating in full practice and showing positive signs, Nylander's return for Game 4 remains uncertain.

The uncertainty persists regarding whether William Nylander will make his series debut in Game 4, with the coach indicating that his status will be determined before the game.

William Nylander's potential return to the lineup could significantly impact the Leafs' performance, as they have struggled to create sustained offense and momentum, making his presence crucial for the team's playoff aspirations.