Complex sentence: McCune owned Champions Boxing Gym in Birmingham, AL from 2001 to 2008, where he produced over 25 state and regional amateur boxing champions and was named the outstanding coach at the 2004 USA Boxing Southeastern Regional tournament.
Split into simpler sentences: McCune owned Champions Boxing Gym in Birmingham, AL from 2001 to 2008, where he produced over 25 state and regional amateur boxing champions. McCune was named the outstanding coach at the 2004 USA Boxing Southeastern Regional tournament.