The trio, alongside Phil Jones, have kept their places in Gareth Southgate’s squad following a sapping season with Manchester United that saw them play a total of 64.
They will visit Hampden Park for a third clash with the Scots in two seasons before jetting off to Paris for a friendly with France next Tuesday.
Rashford, Lingard and Smalling, who all played a part in the Europa League final, were seen putting in the final preparations ahead of the clash with Gordon Strachan’s men.
The work seemingly never ends for Man United players at this given time. A mammoth season with Manchester United, compounded by a lengthy string of injuries, would have been enormously testing, with Jones and Smalling actually rushed back ahead of schedule – and probably not therefore fully fit – to aid Mourinho’s men over the last few weeks.
Mourinho recently noted that overseeing such a lengthy run of games has prompted an aversion to anything footballing related over the next few weeks, and you imagine that the United players on duty feel the same as they embark on further contests at the highest level.