[3] He spent his first professional season with the rookie–level Ogden Raptors and Single–A Great Lakes Loons, accumulating a 1.42 ERA with 30 strikeouts across 17 contests.
[6] On April 28, 2021, the Dodgers traded Kolek to the Seattle Mariners in exchange for cash considerations.
[9] In 2023, Kolek made five scoreless appearances for Arkansas before being promoted to the Triple–A Tacoma Rainiers, where he spent the remainder of the year.
[10] On December 6, 2023, the San Diego Padres selected Kolek from the Mariners in the Rule 5 draft.
[14] His brother is Tyler Kolek, a former professional baseball player and 2nd overall pick by the Miami Marlins in 2014.