It is a significant occasion whatever it is called - a football match fiercely contested between two West Midlands rivals.
But as Championship team West Bromwich Albion prepare to face the Premier League's Wolverhampton Wanderers in a FA cup tie, some are questioning whether it truly is a "Black Country derby".
The two sides, whose grounds lie just nine miles apart, will face off in front of supporters for the first time since 2012 on 28 January.
But a social media debate over the famous derby's name is raging before a ball has even been kicked.