Back in my day the shoulder charge was almost the ultimate tackle. Followed by the get in low lift and drive head first into the ground ....
Having said that the blokes these days are fitter, stronger, bigger and faster. 32 years ago i use to get $1 a minute as a17 year old 100kg kid...
I honestly can say the modern game would be more than i could ever handle. No doubt about it... these blokes are warriors. When they get their head/face split open , they disappear for 5 minutes, stitched up and roaring to go..
In our day it was , game over. .. Shower time, beers..