We found 2 fonts on https://brentfordfc.com/en

CachedRecheck
div
a
span
li
p
ul
button
h3
h5
46 Styles

Karla

div
h3
h5
p
a
button
h1
h2
h4
20 Styles

Sting

Designed by Marc Rouault for BrentfordFC, Marc Rouault

FontofWeb by Simdi Jinkins & Onyemsobi