3 star Astros prospects who must be on expanded September roster

Pirates Pipeline: Former Astros prospect Joe Perez making most of his second chance in new system

Alexander: Be afraid of these Astros, Dodger fans, be very afraid – Orange County Register

Who might the Astros call up when rosters expand in September? - The Athletic

Bullpen crowd looms as good problem for Astros

Houston Astros prospects news, updates, & rankings - Climbing Tal's Hill

2018 September call-ups: Five names to know as MLB rosters expand to 40 players

MLB, USA Baseball Announce 2023 Prospect Development Pipeline Rosters