Kindly rate in order of impressiveness/importance

[koboy]

George Foreman wins the heavyweight title 20 years after losing it to Muhammad Ali.
Roy Jones Jr. wins the heavyweight title.
Manny Pacquiao's 7 divisional titles and 4 lineal titles.
Orlando Canizales's record 16 consecutive title defenses at bantamweight.
Joe Calzaghe retires undefeated.
Evander Holyfield regains the heavyweight crown a record 4 times.
Dodie Boy Penalosa, who has polio, wins the jr. flyweight and flyweight titles.

Just wondering what boxingscene thinks.

[1SILVA]

George Foreman wins the heavyweight title 20 years after losing it to Muhammad Ali.
Roy Jones Jr. wins the heavyweight title.
Manny Pacquiao's 7 divisional titles and 4 lineal titles.
Orlando Canizales's record 16 consecutive title defenses at bantamweight.
Joe Calzaghe retires undefeated.
Evander Holyfield regains the heavyweight crown a record 4 times.
Dodie Boy Penalosa, who has polio, wins the jr. flyweight and flyweight titles.

Just wondering what boxingscene thinks.

Foreman #1. The next 6 combined I feel are not on the same level.

[frankenfrank]

(1) Manny Pacquiao's 7 divisional titles and 4 lineal titles.
(2) George Foreman wins the heavyweight title 20 years after losing it to Muhammad Ali.
(3) Evander Holyfield regains the heavyweight crown a record 4 times.
(4) Dodie Boy Penalosa, who has polio, wins the jr. flyweight and flyweight titles.
(5) Roy Jones Jr. wins the heavyweight title.
(6) Joe Calzaghe retires undefeated.
(7) Orlando Canizales's record 16 consecutive title defenses at bantamweight.