Astros Designate J.J. Matijevic, Bligh Madris For Assignment By Steve Adams | March 30, 2023 at 11:23am CDT The Astros announced Thursday that they’ve designated first baseman J.J. Matijevic and outfielder Bligh Madris for assignment. Their spots on the 40-man roster will go to third baseman/outfielder Corey Julks and catcher/first baseman Cesar Salazar, whose previously reported selections to the 40-man roster are now official. Matijevic, 27, was Houston’s second-round pick back in 2017. He made his big league debut in 2022 but received only 71 plate appearances, during which he posted a dreary .209/.254/.328 slash with a pair of home…