Undrafted, Dell has previously played for the San Jose Sharks, New Jersey Devils and Buffalo Sabres.

[3] In the 2016–17 season, Dell made the Sharks' opening night roster as the team's backup goaltender to Martin Jones.

[6] After attending the Maple Leafs training camp for the pandemic delayed 2020–21 season, Dell was included in the team's taxi squad.

[11] As a free agent from the Sabres, Dell returned to his original club, the San Jose Sharks, after agreeing to a one-year, two-way contract on July 13, 2022.

[16] Dell made 5 appearances with the Reign before securing a one-year, two-way contract for the remainder of the season with the Kings on March 5, 2024.