England attack coach Richard Wigglesworth has told Sky he is hopeful Marcus Smith and Alex Mitchell will be fit to face Ireland in Six Nations Round 4.
England pair Marcus Smith and Alex Mitchell to join up with the rest of the squad on a three-day Six Nations training camp to continue rehabilitating their injuries.
Marcus Smith has been ruled out of England's Six Nations opener against Italy in Rome due to a calf injury, coach Kevin Sinfield has confirmed.
Jarrod Evans' missed conversion with the last kick of the game saw Harlequins edged out 20-19 by Leicester on Friday.
Harlequins produced a 47-19 win over Ulster that keeps them in the chase for home advantage in the Champions Cup knockouts, and leaves Ulster out.
Rounding up a busy Saturday with eight matches in the Champions Cup as Harlequins thump Cardiff and Exeter progress, but Sale and Bristol lose.
Harlequins moved to the top of the Premiership with a bonus-point win over Newcastle, while Bristol ended Sales' long winning home run.
Harlequins prop Joe Marler's arm injury is being assessed by specialists amid front-row concerns for England ahead of the Six Nations.