In any sport you can only ever be the best of your generation. It's impossible to know how players from the past would have adapted to all the incredible progress that's been achieved in sports science. That said, could Colin Bell's fitness level, skill set, mentality have been improved by today's training methods and improved diet? If so then the possibility is frightening. Reading through the comments regarding the current squad, one thing that's certain is that we've been blessed over the last few years to watch players of the calibre of Silva, Yaya, Tevez, Aguero, Kompany and Zaba to the extent that it's virtually impossible to pick just one.