By Alan Smith Manchester United have an eye-watering net spend of £282.5m for every trophy won in the past decade, with rivals Liverpool. That is according to data from Transfermarkt, which says United have had a net spend of £1.13bn in the transfer market since 2013-14. And while Chelsea have had the biggest expenditure of any Premier League club, breaking the £2bn barrier, they have won twice the number of major trophies than United and are also the only club to have earned more than £1bn in sales. Arsenal have had the next biggest net spend per trophy of £213m, followed by Chelsea on a far …