The 49ers designated Hasty (ankle) to return from injured reserve Monday, Nick Wagoner of ESPN.com reports.
Hasty had nine touches for 59 yards before suffering a high-ankle sprain during San Francisco's second game of the season. The 49ers backfield has been decimated by injuries this year, but they are coming off their bye week, which may have allowed them to finally get their running back room healthy. Hasty will have a 21-day period to be added to the active roster, but if he isn't, he will stay on IR for the rest of the season.