Wales are set to make a late decision on whether George North and Dan Biggar are fit for Saturday's Six Nations clash with England.
Fly-half Biggar and wing North were named in the starting line-up to face the defending champions at the Principality Stadium and took part in the captain's run on Friday.
But the key duo are still not guaranteed to take on Eddie Jones' men after North suffered a leg injury in the victory over Italy on the opening weekend of the tournament and Biggar took a blow to the ribs in Rome.
Assistant coach Robin McBryde said Wales have plans in place if one or both of the two are ruled out.
"They both took part in training today," he said on Friday. "We were the same as yesterday. We have given them as much time as possible. We have got contingency plans in place, we have got Steff Evans and Alex Cuthbert in the squad as well.
"We are ticking every box. They would be ready for it, playing against the second best team in the world. They would take any opportunity that comes their way."
Asked about North's chances of playing, McBryde said: "All I can do is rely on what the medics are telling me. It's obviously a close call, that's why we are leaving it late. Rob Howley will make the final call on it.
"We could leave it, regulation-wise, to an hour before kick-off. What will be, will be. Rob has spoken with all the players involved so, should the call come, they are ready to go.
"It's not ideal but something professional rugby players are used to."