Tottenham have the chance to one-up North London rivals Arsenal with what would be a vital deal for the club. Arsenal have had the edge over Spurs on the pitch in recent years, finishing above them in the Premier League every season after 2016-17. But Spurs’ move to the Tottenham Hotspur Stadium and a slick commercial operation have ensured that they have had the bragging rights over Arsenal in terms of their financial performance. While this might seem trivial at first, it is financial performance that, in the era of financial fair play (now Profit and Sustainability Rules, or PSR), so often …