They rose as one and showed their appreciation with a standing ovation. At half-time.
And when Callum Robinson put Albion ahead the roof almost came off The Hawthorns as the supporters wallowed in the luxury of watching an excellent performance.
Just three weeks ago the West Brom fans were suggesting that the players did not deserve to wear the shirt.
The mood started to improve on Friday night when Albion fought back to draw 2-2 with Huddersfield and the feel-good vibes were still in evidence, hence the unusual level of applause.