Fabian Hürzeler understands his decision to swap Bundesliga newcomers St Pauli for Brighton & Hove Albion will have disappointed fans of the Hamburg club. The 31-year-old coach has headed to the Premier League after just 18 months at St Pauli, where he transformed the team from relegation candidates. The US-born coach has signed a deal at mid-table Brighton until 2027 and succeeds Roberto De Zerbi. St Pauli have yet to announce a replacement. “Leaving the club was one of the most difficult decisions I’ve ever made. I understand that lots of you are disappointed and I want to assure you that I …