As Gary Neville, on commentary duties for Sky Sports, picked out Joao Cancelo as man of the match, he must have felt a wistful feeling of what might have been.
When Neville was manager of Valencia back in 2016, he'd urged Manchester United to take a punt on this outstanding young full-back.
United weren't convinced and now here he was in the blue of Manchester City ripping his former club to shreds.
Joao Cancelo gave Aaron Wan-Bissaka and Man United a torrid time in Saturday's derby
Cancelo produced one of the most complete performances by a full-back you're ever likely to see in the Premier League, underlining precisely why Pep Guardiola now trusts him in pretty much every match.