[4] He scored his first NHL goal on the power play in his second game two days later in a loss to the New York Islanders.

[5] In the 2019–20 Buffalo Sabres home opener, on October 5, 2019, Olofsson scored two power play goals en route to a 7–2 victory over the New Jersey Devils.

[6] Olofsson's impressive shot and ability to score have earned him the nickname Victor Goalofsson by the Buffalo fan base and the national media.

[7] He also began to put himself in the picture to be a candidate for the 2019–20 Calder Memorial Trophy, which is awarded to the NHL's rookie of the year.

[9] On July 2, 2024, having left the Sabres as a free agent, Olofsson signed a one-year, $1,075,000 million contract with the Vegas Golden Knights.