Seth Halvorsen

Seth Michael Halvorsen (born February 18, 2000) is an American professional baseball pitcher for the Colorado Rockies of Major League Baseball (MLB).

Seth Halvorsen
Colorado Rockies – No. 54
Pitcher
Born: (2000-02-18) February 18, 2000 (age 25) Chicago, Illinois, U.S.
Bats: Right Throws: Right
MLB debut
August 30, 2024, for the Colorado Rockies
MLB statistics (through 2024 season)
Win–loss record	2–1
Earned run average	1.46
Strikeouts	13
Teams
Colorado Rockies (2024–present)

Career

Halvorsen was first drafted in the 30th round of the 2018 Major League Baseball draft by the Minnesota Twins as the 904th overall selection and then drafted again in the 19th round with the 565th overall pick by the Philadelphia Phillies in the 2021 Major League Baseball draft but opted to not sign and play in college.^[1][2] Halvorsen played college baseball at the University of Missouri and the University of Tennessee. He was drafted by the Colorado Rockies in the seventh round, with the 202nd overall selection, of the 2023 Major League Baseball draft.^[3] Halvorsen split his first professional season between the rookie–level Arizona Complex League Rockies, High–A Spokane Indians, and Double–A Hartford Yard Goats. In 13 appearances for the three affiliates, he compiled a 2–0 record and 2.70 ERA with 13 strikeouts across 13+1⁄3 innings pitched.^[4]

Halvorsen began the 2024 campaign with Double–A Hartford, and earned a promotion to the Triple–A Albuquerque Isotopes in early August. In 41 total appearances out of the bullpen, he accumulated a 5–2 record and 4.47 ERA with 56 strikeouts across 44+1⁄3 innings pitched.^[5]

On August 30, 2024, Halvorsen was selected to the 40-man roster and promoted to the major leagues for the first time.^[6] On September 21, he earned his first career save, tossing a scoreless inning against the Los Angeles Dodgers.^[7]