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I had the benefit of attending the reverse fixture between these two sides for The Guardian and watched a slightly madcap 100ish minutes unfold, in which time Sheffield United scrapped and scraped their way to a 1-0 lead, squandered it amid heavy Wolves pressure, and then won it at the last thanks to a marginal VAR call.
Lessons to be learned from that game? That Wolves can be a soft touch in these games at times, preferring to counter than be countered upon, and that VAR will always, always have the final say.