Howard Webb has commended the process that led to West Ham’s equaliser against Arsenal on Sunday being overturned, describing Pablo’s foul on the goalkeeper David Raya as “clear and obvious”. In what has been described as the most consequential decision in VAR history, the referee Chris Kavanagh chose to rule out ­Callum Wilson’s late goal at the ­London ­Stadium, ­handing Arsenal an advantage in the title race. While Webb, the chief officer of Professional Game Match Officials (PGMO), did not blame the official for missing the initial incident he argued it was inevitable that VAR “would have to get involved”. Speaking on Match Officials Mic’d Up, Webb said PGMO had ­specifically warned players at the beginning of the season against making the type of foul performed by Pablo on Raya. “Is it a foul on the ­goalkeeper? ­Categorically, yes,” he said.…