By Matt Hardy The Football Supporters’ Association has warned that any club trying to “infect” the game with dynamic pricing will face “enormous opposition” from the organisation. The group have hit out at the idea of dynamic pricing, where ticket prices are hiked depending on demand, with LaLiga clubs Valencia and Celta Vigo saying they will use the system this season. Fans looking to buy tickets for the upcoming Oasis tour were hit with drastic ticket increases due to dynamic pricing. “With impeccable timing after the Oasis fiasco, voices in football have started to float the idea of infecti…