Pop attended Notre Dame Catholic Secondary School in Brampton, Ontario.

[4] He signed and made his professional debut with the AZL Dodgers, pitching five scoreless innings.

On July 18, 2018, Pop was traded to the Baltimore Orioles along with Breyvic Valera, Dean Kremer, Yusniel Diaz, and Rylan Bannon in exchange for Manny Machado.

In 44 relief appearances between Great Lakes, Rancho Cucamonga, and Bowie, he compiled a 2–3 record with a 1.53 ERA.

[13] On April 3, 2021, Pop made his MLB debut, pitching a scoreless inning of relief against the Tampa Bay Rays.