Arsenal support frustration as Celtic bound Kieran Tierney left on bench

Kieran Tierney sat helplessly on the bench on Tuesday evening as Arsenal endured an agonising 1-0 loss to PSG in the Champions League semi-final first leg The 27-year-old, set to join Celtic in the summer, remained an unused substitute as Arsenal fell 1-0 to the French heavyweights in the first leg of their semi-final at...