Astros 0.00 ERA in the postseason
5.0 + Innings

Pitcher	IP	Runs	Earned	ERA	Year(s)
Joe Niekro	18.0	0	0	0.00	1980, 1981
Larry Andersen	5.0	0	0	0.00	1986
Dave Mlicki	5.0	1	0	0.00	2001