Houston Astros Non Roster Invitees 2020 (Part 1): Brandon Bielak- Has not made his Debut in the MLB during his career. Is 23 years old and has played 3 seasons in his minor league career. Will be 1 of 9 Pitchers that was not on the roster but invited to spring training. Dean Deetz- Is 26 years old and has made his MLB Debut. Has played 1 major league season in his career so far. Riley Ferrell- Will be a Pitcher attending Spring Training. Is 26 years old and has an average era of 3.55 in his MILB career. Ralph Garza- Is 25 years old and has played 5 seasons in the minors throughout his career so far. Has an average era of 3.79 throughout his minor league career. Ryan Hartman- Is 25 years old and has not made his MLB Debut in his baseball career. He has played 4 seasons in the minors so far. Will be 1 of the 9 Pitchers in this years Spring Training. Jared Hughes- Is 34 years old and has made his MLB Debut. Has played 9 seasons in the majors and so far in his major league career has an ...