The planned and enforced changes at least showed the beleaguered boss that his squad cuts the mustard in both quality and quantity.
His sharp turn on to Joe Aribo’s low cross was too much for outwitted Walsall skipper George Dobson, whose challenge inside the penalty area was disastrously timed. Showing impressive coolness despite having missed two spot-kicks this season, Lyle Taylor sent Liam Roberts the wrong way from the spot and the Addicks were off and running.
Twisting spectacularly in the air, Roberts fingertipped the ball over the bar, as Grant’s celebration of his ninth goal of a prolific season died in his throat.
Completely flummoxed by the miss, Jon Guthrie allowed the ball to bounce off him on the six-yard line, from where a pleasantly surprised Bielik gleefully smashed home that vital second goal.
As much juggler as manager during this injury-riddled campaign, the rookie boss is expected to handle what is thrown at him.