All four players can be on the 23-man roster — though Holmstrom’s waivers-exempt status means Ross Johnston may make it over him — but if the Islanders are healthy, two will be healthy scratches on opening night.

Source: https://nypost.com/2023/10/04/kyle-palmieri-returns-as-islanders-roster-now-at-full-strength/

Ross Johnston and Pierre-Luc Dubois each received two-minute matching roughing penalties, which led to wide-open play that the Islanders were able to capitalize on.

Source: https://www.baytoday.ca/national-hockey/holmstrom-sorokin-lead-islanders-to-2-1-win-vs-jets-6597164