The next year , nine 300 - pound players -- most of them interior offensive linemen , built to stop a defender like Perry -- entered the league .
A year after that came 27 players who weighed at least 300 .
The next year , nine 300 - pound players -- most of them interior offensive linemen , built to stop a defender like Perry -- entered the league , and a year after that came 27 players who weighed at least 300 .