The Chicago Cubs made a flurry of roster moves ahead of Tuesday’s series opener against the Houston Astros. Kyle Hendricks and Drew Smyly have been placed on the 15-day injured list, while infielder Garrett Cooper has been designated for assignment. In corresponding moves, the Cubs recalled left-handers Hayden Wesneski and Luke Little, and infielder Matt Mervis from Triple-A Iowa. Hendricks’…