By Jack Gallagher Despite quite a few second half scares, Arsenal managed to secure a vital three points in the race for the Premier League title on Sunday. The Gunners raced into a 3-0 lead in the first half of the north London derby on Sunday, with goals from Kai Havertz, Bukayo Saka and an own goal from Pierre-Emile Hojbjerg giving them a seemingly unassailable lead heading into half time. In the second half however, a mistake from David Raya which allowed Cristian Romero to make it 3-1 and a foul from Declan Rice which gifted Heung-min Son a goal from the spot to make it 3-2 heading into t…