Diego Costa's late leveller ensured the spoils would be shared at Stamford Bridge following Jesse Lingard's stunning turn and shot earlier in the second half.
Despite not coming away with the victory, Van Gaal called his side's display 'sparkling' as their pickup in form continued.
The Dutchman was asked if he thought the improved performances were important to convince the owners he still has a lot to offer 'while they are trying to replace' him.
Van Gaal did not take to it kindly.