KISSIMMEE, Fla. — Following the Astros’ roster moves Saturday and Sunday, which included shortstop Tyler Greene being cut, veteran Ronny Cedeno being signed and first baseman Nate Freiman being claimed by Oakland, here’s a look at how the Astros’ opening-day roster could be constructed. Starting rotation: R Bud Norris, R Lucas Harrell, R Philip Humber, L Erik Bedard, R Alex White/R Brad Peacock. Norris and Harrell have long been mentioned in trade rumors. Barring a last-minute change, both are expected to begin the season with the Astros. Manager Bo Porter acknowledged Sunday that White and Peacock are in contention for the final spot. The pitcher who doesn’t earn a starting [...]