The Astros optioned Matijevic to Triple-A Sugar Land on Tuesday, Chandler Rome of the Houston Chronicle reports.
Matijevic struggled to a .626 OPS in 40 plate appearances in the Grapefruit League this spring after batting just .209/.254/.328 over his first 71 major-league plate appearances last year. He'll serve as minor-league depth for Houston leading into the 2023 season.