 Complete the following phrase:  Initially, during pre-season testing the team struggled due to an overweight car and was mired in a very tight midfield battle which included Toro Rosso, Haas, Renault and the Williams team. However, the first 5 races saw both drivers record double points finishes, the only team to do so in 2017. This included a hugely impressive 22 points haul at the Spanish GP where Pérez and Ocon finished 4th and 5th respectively. However, the next race at 