i cant believe someone hasnt mention hagler/hearns. There are tons of great fights, hamed/kelley, hagler/leonard, leonard/hearns. duran/barkley. Ali/foreman. ali/frazier. gatti/ruelas. delahoya/mosley. vargas/delahoya. mayweather/corley. morrison/foreman. trinidad/mayorga, taylor/wright, corrales/castillo, barrera/marquez. barrera/morales. gatti/ward. morales/pac. marquez/pac. leonard/duran. jones jr./tarver I. lennoxlewis/vilatiK. most holyfield fights from his early days were wars. hagler/antofermo. thats just to name a few. for the first 3 rounds of cotto/torres, that was a hell of a fight.