Date
Champions
Opponents
Score, Location

World Boxing Council
1984-03-17
ROSARIO Edwin
ELIZONDO Roberto
Technical Knockout 1/12
San Juan, Puerto Rico
1983-05-01
ROSARIO Edwin
RAMIREZ Jose Luis
Unanimous Decision 12/12
San Juan, Puerto Rico
Edwin Rosario captured vacant WBC lightweight title after Alexis Arguello moved up in weight.
1982-05-22
ARGUELLO Alexis
GANIGAN Andrew
Knockout 5/15
Las Vegas, USA
1982-02-13
ARGUELLO Alexis
BUSCEME James
Technical Knockout 6/15
Beaumont, USA
1981-11-21
ARGUELLO Alexis
ELIZONDO Roberto
Knockout 7/15
Las Vegas, USA
1981-10-03
ARGUELLO Alexis
MANCINI Ray
Technical Knockout 14/15
Atlantic City, USA
1981-06-20
ARGUELLO Alexis
WATT Jim
Unanimous Decision 15/15
London, United Kingdom
1980-11-01
WATT Jim
O'GRADY Sean
Technical Knockout 12/15
Glasgow, United Kingdom
1980-06-07
WATT Jim
DAVIS Howard
Unanimous Decision 15/15
Glasgow, United Kingdom
1980-03-14
WATT Jim
NASH Charlie
Technical Knockout 4/15
Glasgow, United Kingdom