Wilshere, currently on loan at Bournemouth from Arsenal, has failed to make the last two England squads.
Gordon Strachan will remain as Scotland manager, according to multiple reports.
Brendan Rodgers is confident that any disappointment among Celtic's Scotland internationals will not creep into their club football.
Southgate confirmed at a news conference on Monday that Rooney would be left out of the first XI for Tuesday's match in Slovenia.
Former Manchester City boss Roberto Mancini says Mario Balotelli has only himself to blame for not being Italy's first-choice striker.
Telles, 23, is hoping his performances for Porto can help him catch Italy boss Ventura's eye.