I think it is fair to say, the real hard men of football were around in the 60s,70s and 80s but mainly due to the fact they could get away with a lot more. If you watch to Cup Final and replay between Leeds and Chelsea, it explains all
Paine could look after himself. I wouldn't have classed him as "Hard". However, I knew a former professional player who told me that the dirtiest, niggliest player he ever played against was Terry Paine.
I love the way the ref urged them to play on and Bonetti made Eddie stop fussing over Bremner and get on with it