Scouting report: Interleague play has not been kind this season to the Cardinals, who have lost all seven of their home games to American League teams, including two to Houston, and are 4-4 on the road. ... When the Astros and Cardinals met in St. Louis, the Astros held the Cardinals to three runs, including a two-run allotment over 7 2/3 innings by Dan Fister, Wednesday’s starter, who beat the Cardinals 5-2 on June 14. ... Houston center fielder Carlos Gomez was the Astros’ top hitter in the series, going four for seven with three runs scored and two knocked in, but the Astros cut him last week.