MANCHESTER, England—Liverpool kept up the chase with Premier League leaders Manchester City by winning 2–0 at Brighton & Hove Albion on Saturday while Cristiano Ronaldo hit a hat-trick as Manchester United beat Tottenham Hotspur 3–2. Luis Diaz connected with a fine ball from Joel Matip to head Liverpool ahead in the 19th minute before Mohamed Salah scored from the spot, following a handball by Yves Bissouma, for his 20th goal of the season. Liverpool’s win at Brighton’s Amex Stadium was their eighth straight league victory and cut the gap to league leaders Manchester City to three points. “Difficult game, good opponent, we needed a few minutes to find into the game. From the moment on when we found ourselves into the game, we controlled it in a really good way,” said Liverpool manager Juergen Klopp. Pep Guardiola’s City side have 69 points with Liverpool on 66 but City can restore …