Well heres my 23-24 season at Elche full team of regens O'Brien the only one to come through my youth system but is the pick of the bunch along with Asad and Salifu.
What about a World Cup winners super league. you could have four or five leagues (possibly throwing in hosts aswell) of 19 teams. the premier league all winners, all runners-up first division and so on. I understand you would have duplicate players ie 26 yo maradona in prem and 30 yo maradona in...