Amateur career Barlow is originally from
New London, Connecticut. His family moved to
California for his freshman year of high school, so he could play baseball year-round and have more exposure to professional
scouts. He attended
Golden Valley High School in
Santa Clarita, California. Barlow committed to attend
California State University, Fresno to play
college baseball for the
Fresno State Bulldogs.
Los Angeles Dodgers The
Los Angeles Dodgers selected Barlow in the sixth round of the
2011 MLB draft and he signed with the Dodgers rather than attend Fresno State. After signing, Barlow made his professional debut that same year with the
AZL Dodgers, giving up five earned runs in 1.2 innings pitched for the season. In 2012, he underwent
Tommy John surgery and missed the whole season. He returned in 2013, pitching for the
Ogden Raptors, compiling a 4–3 record and 6.20 ERA in 15 starts. In 2014, Barlow played for the
Great Lakes Loons where he was 6–7 with a 4.50 ERA in 23 games (21 starts) and in 2015 he pitched with the
Rancho Cucamonga Quakes where he was 8–3 with a 2.52 ERA in 14 games (13 starts). He also pitched one game each with Great Lakes and the
Oklahoma City Dodgers. Barlow spent 2016 with the
Tulsa Drillers where he posted a 4–7 record with a 3.98 ERA and 1.42 WHIP in 24 games (23 starts), and 2017 with Tulsa and Oklahoma City where he compiled a combined 7–6 record and 3.29 ERA in 26 starts. He elected free agency following the season on November 6, 2017.
Kansas City Royals On December 7, 2017, Barlow signed a major league contract with the
Kansas City Royals. He began 2018 with the
Omaha Storm Chasers. The Royals promoted Barlow to the major leagues three times in April 2018; the first two times, he was sent back to
Triple-A without making an appearance. Following his third call-up on April 28, Barlow made his MLB debut on April 30, pitching in relief against the
Boston Red Sox. On October 29, 2018, he was selected to play for the MLB All-Stars in the
2018 MLB Japan All-Star Series. Barlow made the Royals' 2019 Opening Day roster. On April 17, he earned he first major league save by closing out a 4–3 win against the
Chicago White Sox. With the
2020 Kansas City Royals, Barlow appeared in a league-high 32 games, compiling a 2–1 record with 4.20 ERA and 39 strikeouts in 30 innings pitched. On March 22, 2022, Barlow signed a $2.4 million contract with the Royals, avoiding salary arbitration.
San Diego Padres On August 1, 2023, the Royals traded Barlow to the
San Diego Padres in exchange for prospects Jesús Rios and Henry Williams. In 25 games for San Diego, Barlow pitched to a 3.07 ERA with 32 strikeouts across innings pitched.
Cleveland Guardians On November 17, 2023, Barlow was traded to the
Cleveland Guardians in exchange for
Enyel De Los Santos. In 63 appearances for the Guardians in 2024, he compiled a 3–3 record and 4.25 ERA with 68 strikeouts over 55 innings pitched. Barlow was
designated for assignment by Cleveland on September 8. He was released by Cleveland on September 12.
Cincinnati Reds On February 13, 2025, Barlow signed a one-year, $1.5 million contract with the
Cincinnati Reds. He made 75 appearances (including one start) for Cincinnati during the regular season, compiling a 6-3 record and 4.21 ERA with 75 strikeouts and one save across innings pitched. On November 5, the Reds declined his 2026 option, making him a free agent.
Athletics On February 10, 2026, Barlow signed a one-year, $2 million contract with the
Athletics. ==Personal life==