Marking and foul rules was different in Maradona's day. Back in the day one player can foul someone 20 times without getting sent off. No doubt La liga defending physically doesnt even come close to this Copa let alone the 80's serie A. Stats dont tell everything, just watch some serie A video from 80's to early 90's. Messi would have been injured has he received those tackles Maradona's get in every World cup. This kind of play isnt part of today's football. For a good reason off course.