Manchester City thrashed Brighton 4-0 at the Amex Stadium to keep the pressure on Arsenal in the race for the Premier League title – and commentator Alan Smith was particularly impressed by one star tonight. City produced a statement performance on the south coast after Arsenal’s 5-0 thrashing of Chelsea on Tuesday. Brighton started confidently, but Kevin De Bruyne’s magnificent header on 17 minutes paved the way for a dominant display. Phil Foden followed up with two more goals before half-time. And there was a goal in the second-half for Julian Alvarez after several weeks without scoring. Th…