ESPN's Adam Schefter suggests that Foster may have suffered a torn Achilles in Sunday's loss to the Dolphins.

EDGE Analysis

Meanwhile, Aaron Wilson of the Houston Chronicle relays via coach Bill O'Brien that Foster's injury "doesn't look good." At this stage, it looks safe to say that Foster -- who was spotted using crutches after Sunday's game -- is going to miss time, quite possibly a long time, so the likes of Alfred Blue and Chris Polk appear destined to see an uptick in carries for Houston in the coming weeks.