"Once inside of the opp, he hooks his strikes."
Yes, it is called a hook. I was a boxer Amen.
"Flatfoot is good in a straight attack, but you can,t knockout that way."
Like heck you can't knockout that way. Maybe YOU can't knock out that way.
"You have to circle punch for the sleeper."
No you don't. I agree that they are good strikes, but hitting someone straight in on the chin can also put him to sleep, especially if his jaw is open.
"And like David said ' there are other things to consider' in a real fight."
No kidding. How many "real fights" have you been in? Honest question.