Greinke expected to start for Houston against Arizona

Arizona Diamondbacks (19-32, fifth in the NL West) vs. Houston Astros (25-25, second in the AL West)
Houston; Friday, 8:10 p.m. EDT
PITCHING PROBABLES: Arizona: Zac Gallen (1-2, 3.15 ERA) Houston: Zack Greinke (3-2, 3.77 ERA)
LINE: Astros favored by 1 1/2 runs; over/under is 8 runs
BOTTOM LINE: The Arizona Diamondbacks travel to play the Houston Astros on Friday.
The Astros are 18-7 on their home turf. Houston has slugged .409 this season. Kyle Tucker leads the team with a .529 slugging percenta