Check these to see if they work:

Roberto Duran vs. Hiroshi Kobayashi

http://www.megaupload.com/?d=0J7N80MS

Sugar Ray Leonard vs Roberto Duran, the Rematch

Very good quality with live commentary by Howard Cosell, contains extendend interview of Roberto Duran after the fight

Part1

http://www.megaupload.com/de/?d=LVY1HHM2

Part2

http://www.megaupload.com/de/?d=07R2DFTY

Roberto Duran vs Sugar Ray Leonard first fight


Part1

http://www.megaupload.com/de/?d=9DPP2CC5

Part2

http://www.megaupload.com/de/?d=76FWTEZL


Duran vs Leonard, first fight in outstanding picture quality.

Part 1


http://www.megaupload.com/de/?d=IMSPPTZE

Part 2 of Leonard vs Duran in great quality

http://www.megaupload.com/de/?d=NKW19XAL