Boxing · All-time honour roll

World Heavyweight Championship (WBA and WBC)

3 champions

3 with a known date

Leon Spinks

1978

Metro

—

Date

1978-02-15

Muhammad Ali (Second reign)

1974

Muhammad Ali

Metro

—

Date

1974-10-30

George Foreman

1973

Metro

—

Date

1973-01-22

Season	Champion	Metro	Date
1978	Leon Spinks	—	1978-02-15
1974	Muhammad Ali (Second reign) · Muhammad Ali	—	1974-10-30
1973	George Foreman	—	1973-01-22

Champion shows the team's name at the time of victory; where it differs, the current canonical name follows. Metro reflects the era-correct home city. Dates are filled progressively.