Nope. There were 4 key passes (Bruno to Ronaldo, Ronaldo to Martial, Martial to Cavani, and Cavani to Rashford). Perhaps you mean there is only one "Key Pass" as defined by someone somewhere in their statistical analysis.
But glad you agree that that's not the way to analyze a football match. Wish people would remember that.
That’s probably what he’s talking about - statistically speaking there is THE key pass. But normal conversation would refer to all of those passes as «key».