By Grey Whitebloom Manchester United and Aston Villa have both enjoyed their peak at the summit of English top-flight football but at dramatically different times. It was in a Villa fan’s coffee shop that the club’s board member William McGregor came up with the idea to establish an organised football league in 1888. Villa duly dominated the new division, racking up six titles by 1910. A century later, Manchester United were at the forefront of the biggest shakeup in English football since McGregor’s decisive cup of Joe. United were the inaugural Premier League champions – incidentally pipping…