A former Houston Astros reliever has signed with an intriguing NL team.Shawn Dubin made his MLB debut with the Astros in 2023 and spent parts of three years with the team as an impact reliever. Yet, he was DFA’d by Houston last August and was claimed off waivers by the Baltimore Orioles.After signing a minor league deal with the Arizona Diamondbacks in December, he was released at the end of April and has now signed a minor league deal with the …