5. Antonio Margarito

4. Muhammad Ali as Cassius Clay in the (1960s)

3. Mike Tyson after that Holyfield fight

2. Floyd Mayweather Jr.

1. Jack Johnson

1. Sonny Liston

2. Jack Johnson

3. Mike Tyson

4. Floyd Mayweather Jr.

5. Sam Langford

1 mayweather

2. klitschko (wlad)

3. de la hoya

4. jack johnson

5. tyson (after him watching Hannibal...).

That's a perfect list.

Larry Holmes with the honorable mention.

1. Mayweather. Jr

2.Adrein Broner

3.Margarito

4. Mike Tyson after the holyfield fight

5. Muhammad Ali ( I think he went downhill after the Larry holmes fight, and because hes "The Lip" Lol)

1. Jack Johnson

2. Sonny Liston

3. Roberto Duran

4. Mike Tyson

5. Floyd Mayweather Jr.

i agree with your list too.

5. Antonio Margarito

4. Muhammad Ali as Cassius Clay in the (1960s)

3. Mike Tyson after that Holyfield fight

2. Floyd Mayweather Jr.

1. Jack Johnson