Since the institution of Major League Baseball's Rule 4 Draft, the Astros have selected 57 players in the first round.
The draft order is determined based on the previous season's standings, and the team that had the worst record receives the first pick.
[1] In addition, teams which lost free agents in the previous off-season may be awarded compensatory or supplementary picks.
Craig Biggio (1987), who played his entire 20-season MLB career (1988–2007) with the Astros and became a member of the 3,000 hit club,[4] was elected to the Hall in 2015.
Brad Lidge (1998) won the Comeback Player of the Year Award in 2008 with the Philadelphia Phillies, his first season after leaving the Astros.
Craig Biggio (1987) is the only first-round draft pick of the Astros with over 3000 career hits.
Although the Astros have drafted 23 pitchers in the first round, Billy Wagner (1993) is one of only 3 left-handed pitchers taken.
Ramón Castro (1994) was the first player ever selected in the first round of the draft from Puerto Rican by any team.
Lance Berkman (1997) is one of two players drafted from an institution based in the Astros' home city of Houston.
Brad Lidge (1998) went on to win the Comeback Player of the Year award in 2008 with the Phillies, a season after leaving the Astros.
Chris Burke (2001) is the only second baseman taken by the Astros in the first round of the draft.
Carlos Correa (2012) was the first of three consecutive first overall picks by the Astros.