Complex sentence: Unfortunely Kash was ahead on points but was deducted 3 points for braking a few rules unknowingly and Brown beat him by 1 point, Kash has since gone on to win his last 4 fights, by knockout.
Split into simpler sentences: Unfortunely Kash was ahead on points but was deducted 3 points for breaking a few rules unknowingly and Brown beat him by 1 point. However, Kash has since gone on to win his last 4 fights, by knockout.