The British Grand Prix was a standout weekend for Lewis Hamilton and Mercedes but there was another driver who caught the eye of Formula 1 fans. Sergio Perez looks like he might end up getting dropped by Red Bull midway through the season if he does not meet certain performance clauses in his contract. The Mexican has endured a tough qualifying run in the last five races having failed to make Q3 on four occasions, while his points haul is only 15 compared to Max Verstappen’s 119. Red Bull faces the question of whether it should replace him if his form does not improve, with him emulating a hab…