No future Astros, only former Astros with birthdays today ~
C Hal King (69)
Drafted from the Angels in the 1966 minor league draft, King played in 42 games for Houston in 1967 and 1968, hitting .192/.259/.283.
SS/3B Juan Guerrero (46)
Drafted from the Giants in the 1991 Rule 5 draft, Guerrero played in 79 games for Houston in 1992, hitting .200/.261/.288.
C Tom Wieghaus (56)
Originally drafted by the Expos in the 10th round in 1978, Wieghaus came to Houston in a February 1984 trade with Montreal. He played in only six games for the Astros that year and went hitless.
RHP Ernie Camacho (58)
A first round pick by Oakland in 1976, Camacho signed with Houston as a free agent in March 1988. In 13 appearances for the Astros in 1988, he had a 7.64 ERA and a 2.094 WHIP. His best season was 1984 when he had a 2.43 ERA and a 1.200 WHIP in 69 appearances for Cleveland.