Rockies start 2-game series at home against the Astros

Houston Astros (7-19, fifth in the AL West) vs. Colorado Rockies (7-19, fifth in the NL West)Mexico City; Saturday, 6:05 p.m. EDTPITCHING PROBABLES: Astros: Ronel Blanco (2-0, 1.33 ERA, 0.85 WHIP, 22 strikeouts); Rockies: Cal Quantrill (0-2, 4.33 ERA, 1.48 WHIP, 15 strikeouts)BETMGM SPORTSBOOK: LINE Astros -218, Rockies +180; over/under is 17 runsBOTTOM LINE: The Colorado Rockies open a two-game series at home against the Houston Astros on Saturday.Colorado is 7-19 overall and 5-8 at home. The R