Depending on the meat you can get 90-130g of protein per pound. If a 100kg/220lb lifter can't eat +2 pounds of meat (upto ~260g) during times of hard training then they aren't trying. Even I can do that and I'm sub 85kg.
"Morning, Putski eats it, noon, Putski eats it, night, Putski eats it. Putski loves!"