By Frank Dalleres If anyone needed any further evidence that Brighton and Hove Albion are several steps ahead of the pack in the transfer market, it arrived this week in an academic study of the most valuable young players in world football. The list, compiled by the CIES Football Observatory, ranked the 100 most valuable players aged under 21. Barcelona’s 17-year-old wonderkid Lamine Yamal is top of the pile, followed by Manchester United’s Alejandro Garnacho and Warren Zaire-Emery of Paris Saint-Germain. But the team with the most players in the top 100? Only bargain-hunters extraordinaire B…