Take a look at Hearns' stamina after a round where he easily eclipsed a 150 punches:
And before one of
you come in here and say "well, it is the 1st round", I don't care, his stamina should still be WAY down with how reckless, and persistent his offensive onslaught was; the least they could've done is, made him use the points that he earned to gain back stamina that he may have lost due to all of those punches, but no, he can continue his attack at the same pace, and bank those points for stamina later, just in case he's not able to finish the fight early; I remember a fight night dev saying that they were going to "slightly" increase the amount of stamina lost during a round in the retail version, no, they need to drastically increase the stamina lost in between rounds, especially if you decide to throw an insane amount of punches like this guy in these videos. Even still with a major increase in stamina lost in between rounds, you would still have to deal with the mini-game which will undeniably help gain back a lot of stamina.... People were swearing by a stamina slider, but now it comes out that there isn't a such thing in the retail version.... Its gotten to a point where its kinda funny.
I think IGN unintentionally got it right in their heading for the preview of FNR4's career mode, except it applies to the game as a whole.
"Build the perfect Brawler in the series' most improved mode."
All I can hope for at this point is for stamina to vary at each difficulty setting meaning, the higher you go up, the more suspectible you are to losing stamina in a BIG way.