You can score a round 10-4 if you felt like it, nobody would stop you (or the judges). However, I'm guessing most people would keep it at a 10-8 even if there was additional severe punishment. Another point; if the fighter were dropped in a round and in that same round was taking enough punishment to warrant another point lost during scoring, odds are that the ref or corner would have stopped the fight.
Chances are if you got knocked down in the round then dominated so badly that it warrants another point deduction, the ref would have already stopped it
really why is the point of scoring 10 points if nobody EVERY scored more than 10-6? I guess it should happen that somebody was down 3x (say by touching the gloves only) badly outboxed and got 3-4 point deductions ... than it could end up as 10-2 or something.
Yes. One judge scored Round 9 of Ward-Gatti 1 as a 10-7 round, despite the fact that there was only one kd. The two to one edge in ass-kickings and the severity of the assaults that Gatti endures makes this justifiable- even if I personally called it a 10-8 round. That said, If a fighter absorbs an absolute hiding throughout the round (ensuring a 10-8 round even without the kd) and then gets dropped, then that's a 10-7, imo. Doesn't happen that often, but I can see it a valid way to score the round.