After six days of practice, McCarthy used the descriptive term “quick twitch” for Thornton that Thompson did in May.
“He’s raw,” McCarthy said at the time. “This is a whole different system for him. Everything’s new. But, boy, he’s got a lot of fast twitch in his body for a big man.”
For some reason, none of it has been evident.
https://www.patspropaganda.com/after-six-days-of-practice-mccarthy-used-the/