15 Apr 1984
Harry Arroyo beats Charlie Brown via knockout 14/15
Lightweight (135 lb)
Harry Arroyo becomes the IBF Lightweight world champion
1 Sep 1984
Harry Arroyo beats Charlie Brown via knockout 8/15
12 Jan 1985
Harry Arroyo beats Terrence Alli via knockout 11/15
6 Apr 1985
Jimmy Paul beats Harry Arroyo via unanimous decision 15/15