Iain Henderson and Oli Jager also remain in contention
Hugo Keenan, Garry Ringrose, Iain Henderson and Oli Jager are all in contention to face England in the Six Nations.
Keenan and Ringrose had trained last week and were back out today with Henderson and Jaeger who sat out last week.
Henderson was nursing a foot injury picked up playing for Ulster in the URC while Jaeger injured his knee on his debut against Wales.
Andy Farrell's men are looking for the victory in Twickenham on Saturday that keeps their Grand Slam quest on track.