I have watched this fight so many times over the years (until some MMA dipshit stole it) and it is one of my favorite fights of all time. That is because Schmeling fought such a brilliant tactical fight. He made that fight a duel between his right hand and the Louis jab and he refused to let any other punches be involved. Just brilliant how he did that.
The way Schmeling shades his body to his own right, keeps low and his weight back, Louis cannot land anything other than the jab, and he has to reach for that. So he gets hit with right hands. Another thing to watch...when Louis starts looking to counter the Schmeling right, watch how Max anticipates the counters. How he gets his right hand in position to catch the uppercut, and his left over to catch the hook.
For my money Louis is the best HW, but he got out foxed that night.