In the final year of his contract, Ullmark has signed a massive contract extension with the Ottawa Senators before even playing his first regular season game in their uniform. Ullmark was acquired by the Senators along with a first-round pick in the offseason in a trade that sent Jonas Korpisalo and Mark Kastelic to the Boston Bruins. Ullmark enjoyed tremendous success in his three years in Boston, including a Vezina Trophy and William Jennings Trophy in 2023. He went 88-26-10 with. A 2.28 GAA and .924 SV% in 130 games with the Bruins while splitting time with Jeremy Swayman.
