This is a 10 part series that involved a lot of fans on more than one forum & sites. There's a thread on another forum over 200 pages long.

He's done it in a tier level so Langford through to Ali are tier 1 etc. There's are write up on each fighter so not short articles but worth a read when you have some spare time -

01 – Sam Langford
02 – Harry Greb
03 – Sugar Ray Robinson
04 – Henry Armstrong
05 – Ezzard Charles
06 – Bob Fitzsimmons
07 – Benny Leonard
08 – Muhammad Ali
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09 – Willie Pep
10 – Joe Louis
11 – Roberto Duran
12 – Joe Gans
13 – Packey McFarland
14 – Archie Moore
15 – Sugar Ray Leonard
16 – Mickey Walker
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17 – Barney Ross
18 – Terry McGovern
19 – Tony Canzoneri
20 – Pernell Whitaker
21 – Charley Burley
22 – Holman Williams
23 – Jimmy McLarnin
24 – Sandy Saddler
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25 - George Dixon
26 - Barbados Joe Walcott
27 - Stanley Ketchel
28 - Billy Conn
29 - Kid Gavilan
30 - Roy Jones
31 - Gene Tunney
32 - Tommy Gibbons
33 - Tommy Loughran
34 – Jack Britton
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35 – Eder Jofre
36 – Jose Napoles
37 – Carlos Monzon
38 – Jimmy Bivins
39 – Marvin Hagler
40 – Tommy Ryan
41 – Jack Dillon
42 - Emile Griffith
43 – Alexis Arguello
44 – Ike Williams
45 – Jimmy Wilde
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46 – Julio Cesar Chavez
47 – Ruben Olivares
48 – Fighting Harada
49 – Carlos Ortiz
50 – Michael Spinks
51 – Young Corbett
52 – Thomas Hearns
53 - Floyd Mayweather
54 - Manny Pacquiao
55 – Evander Holyfield
56 – Freddie Steele
57 – Abe Attell
58 – Mike Gibbons
59 - Bernard Hopkins
60 - Ted Kid Lewis
61 - Luis Manuel Rodriguez
62 - Salvador Sanchez
63 - Wilfredo Gomez
64 - Vicente Saldivar
65 - Rocky Marciano
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66 - Lou Ambers
67 - Freddie Welsh
68 - Jim Driscoll
69 - Dick Tiger
70 - Harold Johnson
71 - Carmen Bassilio
72 - Manuel Ortiz
72 - Carlos Zarate
74 - Miguel Canto
75 - Jack Dempsey (np)
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76 - Lloyd Marshall
77 - Oscar De La Hoya
78 - Azumah Nelson
79 - Mike McCallum
80 - Bob Foster
81 - Teddy Yarosz
82 - Pascual Perez
83 - Panama Al Brown
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84 - Young Griffo
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85 – Jake LaMotta
86 – Larry Holmes
87 – Wilfred Benitez
88 – Juan Manuel Marquez
89 – Erik Morales
90 – Marco Antonio Barrera
91 - Fritzie Zivic
92 - Joe Frazier
93 - Pete Herman
94 - Lennox Lewis
95 - Jack "Kid" Berg
96 - Philadelphia Jack O'Brien
97 - James Toney
98 - Nicolino Locche
99 - Jung Koo Chang
100- George Foreman

100-91 - The 100 Greatest Fighters of All Time Part One: 100-91 - Boxing.com

90-81 - The 100 Greatest Fighters of All Time Part Two: 90-81 - Boxing.com

80-71 - The 100 Greatest Fighters of All Time Part Three: 80-71 - Boxing.com

70-61 - The 100 Greatest Fighters of All Time Part Four: 70-61 - Boxing.com

60-51 - The 100 Greatest Fighters of All Time Part Five: 60-51 - Boxing.com

50-41 - The 100 Greatest Fighters of All Time Part Six: 50-41 - Boxing.com

40-31 - The 100 Greatest Fighters of All Time Part Seven: 40-31 - Boxing.com

30-21 - The 100 Greatest Fighters of All Time Part Eight: 30-21 - Boxing.com

20-11 - The 100 Greatest Fighters of All Time Part Nine: 20-11 - Boxing.com

10-1 - The 100 Greatest Fighters of All Time Part Ten: 10-1 - Boxing.com