There are some sloppy boxers in MMA but it's mainly due to crosstraining maybe? There are some guys who can knock guys out right and left but to a technical boxer their styles might be labeled "sloppy." I also think Murilo Bustamante has very good boxing for being labeled a ground wizard. His jabs are very sharp and has crisp punches. His long reach makes him very good and dangerous because he can work on his feet as well as the ground.
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