The Packers signed quarterback Sean Clifford to the 53-man roster so he can serve as an emergency backup to Jordan Love if needed in Sunday’s NFC wild-card game against the host Philadelphia Eagles, the team announced Saturday.Love is off the injury list and is expected to start Sunday, with backup QB Malik Willis also expected to be ready to play but both have been dealing with injuries this week.Love made solid progress throughout the week after leaving the Packers’ Week 18 loss to Chicago with a right elbow injury. He was a full practice participant on Thursday and Friday and wasn’t given an injury designation.Willis injured his right (throwing) thumb against the Bears. He was a full practice participant on Friday for the second straight day and was cleared for the game.