When choosing the first Class for a boxer, he must first compete in three Amateur Matches. If a boxer wins the World Title and/or the "World Championship Showdown" match of a Class and then change to another Class, it will not be necessary for him to compete in any Amateur Matches of the new Class.
Also, as long as the boxer is not retired, he can change to any Class (where his weight does not exceed the maximum weight limit of the corresponding Class) in no particular order.
Class Fly [ ]
Title
Image
Opponent
Date
Format
Initial Fight Money (in G)
Amateur Match
George Taylor
65
64
16
26
14
16
In 3 weeks
3 Rounds
0
Ricky Darville
94
69
23
31
20
31
Shamblin' Hank
81
60
20
28
17
20
4 Bouts
Bono Sanders
86
74
25
32
22
25
In 4 weeks
75,000
Zack Simpson
124
94
36
46
31
36
Sam Dunkirk
107
60
31
42
27
31
85,000
6 Bouts
Francis Oak
112
86
36
60
32
36
In 5 weeks
4 Rounds
195,000
Sgt. Cross
162
167
52
74
46
52
Hard-Boiled Joey
140
107
45
56
40
60
215,000
8 Bouts
Austin Peinkell
145
112
50
62
45
50
235,000
Adrian Alexander
210
186
72
88
65
72
Spencer Moore
181
140
62
67
56
62
260,000
10 Bouts
Smith Smasher
186
108
67
81
61
67
5 Rounds
280,000
Falcon Bailey
269
210
97
157
88
97
285,000
Jason Snowville
223
234
80
112
73
80
310,000
National Title Match
Magnus Wilkins
228
179
85
102
78
114
In 6 weeks
345,000
Worldwide 12 Bouts
Elias Fakename
233
184
90
107
83
90
400,000
Southpaw Haskins
337
305
130
155
120
130
Merry Lenny Jr.
279
220
108
134
99
108
430,000
World Title Match
Bruce Gordon
284
168
113
134
104
113
In 8 weeks
10 Rounds
465,000
World Championship Prelims
Staten Serafinowicz
289
230
118
187
109
118
545,000
World Championship Semis
Cassius Tyson
349
375
142
195
131
142
775,000
World Championship Finals
Kazuto Inoue
361
287
147
194
136
198
805,000
World Championship Showdown
"Deep-Fry" Delgado
366
292
152
177
141
152
In 10 weeks
12 Rounds
840,000
Class Feather [ ]
Title
Image
Opponent
Date
Format
Initial Fight Money (in G)
Amateur Match
Nick Tarantino
84
71
23
39
20
23
In 3 weeks
3 Rounds
0
Goro Gellar
121
89
33
49
29
33
"Grizzly" Van de Velde
105
57
28
44
25
28
4 Bouts
Mark Logan
110
82
33
68
30
33
In 4 weeks
150,000
Benny Costanza
159
159
47
85
43
47
200,000
Dio Trois III
137
102
41
55
37
55
250,000
6 Bouts
Hole-In-One Hawkins
142
107
46
71
42
46
In 5 weeks
4 Rounds
300,000
Lt. Anderson
205
178
66
90
60
66
Iron Heinrichson
177
133
57
74
52
57
8 Bouts
Crow Sterling
182
103
62
77
57
62
500,000
Jambalaya Williams
263
200
89
149
82
89
Monty Castellaneta
227
172
77
96
71
77
10 Bouts
Angelo Gray
232
177
82
102
76
110
5 Rounds
575,000
Johnny Foreigner
336
256
118
146
110
118
J. J. Lucas
278
243
98
122
91
98
595,000
National Title Match
Toro Stroganoff
283
217
103
126
96
103
In 6 weeks
660,000
Worldwide 12 Bouts
Oscar de la Croix
288
166
108
131
101
108
720,000
Blanco Hart
417
321
156
255
146
156
"Streetwise" Andre
345
359
129
181
121
129
750,000
World Title Match
Captain Primo
350
271
134
162
126
180
In 8 weeks
10 Rounds
785,000
World Championship Prelims
Arthur Fleming
355
276
139
183
131
139
865,000
World Championship Semis
Edgar MacDonall
429
382
168
202
158
168
925,000
World Championship Finals
Torval Walsh
443
345
173
208
163
173
960,000
World Championship Showdown
King Ackbar
448
262
178
213
168
178
In 10 weeks
12 Rounds
995,000
Class Light [ ]
Title
Image
Opponent
Date
Format
Initial Fight Money (in G)
Amateur Match
"Sweet Potato" Pendragon
109
80
33
59
29
33
In 3 weeks
3 Rounds
0
Danny Everest
158
156
47
72
42
47
Hoary Geoff
136
100
41
55
36
55
4 Bouts
Robin Smulders
141
105
46
60
41
46
In 4 weeks
150,000
"Protein Shake" Pat
204
174
66
87
59
66
200,000
Manny l'Olonnais
176
131
57
75
51
57
250,000
6 Bouts
Link Baker
181
102
62
80
56
62
In 5 weeks
4 Rounds
300,000
Mjr. Damage
262
197
89
156
81
89
Rocky Kirkhope
226
229
77
115
70
77
8 Bouts
Dirty Steven
231
175
82
105
75
110
475,000
Charles Forrest
334
253
118
152
108
118
Adam Murphy
288
250
102
132
93
102
10 Bouts
"Mocha-Latte" Jones
293
223
107
136
98
107
5 Rounds
540,000
Flynn West
Shrimp Squidly
351
267
128
220
117
128
565,000
National Title Match
Salty Morgenson
356
367
133
200
122
133
In 6 weeks
1,520,000
Worldwide 12 Bouts
Enigma Cryptol
361
277
138
174
127
186
1,575,000
Achilles Lumina
433
381
165
207
152
165
770,000
World Title Match
Alpine Kitt
438
337
170
212
157
170
In 8 weeks
10 Rounds
1,605,000
World Championship Prelims
Tim Khan
443
256
175
217
162
175
1,720,000
World Championship Semis
Clark Olsen
536
413
211
356
196
211
1,750,000
World Championship Finals
Vlad Marsden
553
576
218
314
202
218
1,785,000
World Championship Showdown
Mr. Kairo, CEO
558
432
223
276
207
301
In 10 weeks
12 Rounds
1,815,000
Class Welter [ ]
Title
Image
Opponent
Date
Format
Initial Fight Money (in G)
Amateur Match
Jasper Dee
141
104
47
63
42
47
In 3 weeks
3 Rounds
0
Gilgamesh Neill
204
172
68
91
60
68
Sinbad Aubrey
176
130
58
78
52
58
4 Bouts
Arnold Bosch
181
101
63
83
57
63
In 4 weeks
150,000
"Meaty" Mike Miliano
262
195
91
163
82
91
200,000
Big Vince
226
226
78
118
71
78
250,000
6 Bouts
Ryan Grouse
231
173
83
108
76
112
In 5 weeks
4 Rounds
300,000
Cameron Atlee
334
250
120
157
110
120
Jose Mendoza
288
248
103
136
95
103
8 Bouts
Sid-Arthur Patel
293
221
108
141
100
108
500,000
Typhoon Clary
424
240
156
203
145
156
Ernie Berlinger
366
276
135
236
125
135
10 Bouts
Paulo Layton
371
379
140
207
130
140
5 Rounds
660,000
Ellis Joyce
Al Rankin
463
351
175
225
162
175
710,000
National Title Match
Wallace Roy
468
409
180
230
167
180
In 6 weeks
775,000
Worldwide 12 Bouts
Ron Dillon
473
361
185
235
172
185
835,000
Rod Runner
591
451
231
395
215
231
865,000
World Title Match
Alec Holland
596
615
236
345
220
236
In 8 weeks
10 Rounds
865,000
World Championship Prelims
Leo Parkes
601
461
241
306
225
325
980,000
World Championship Semis
Nemo Meuniere
727
557
291
366
272
291
1,015,000
World Championship Finals
Antonio Anton
751
662
301
381
281
301
1,050,000
World Championship Showdown
Chimpan Z
756
581
306
386
286
306
In 10 weeks
12 Rounds
1,085,000
Class Middle [ ]
Title
Image
Opponent
Date
Format
Initial Fight Money (in G)
Amateur Match
Anthony Ginrickey
183
201
68
91
60
68
In 3 weeks
3 Rounds
0
"Infighter" Sedaris
265
195
98
176
87
98
Chris Zeller
228
226
85
129
75
85
4 Bouts
Proteus Vaughn
233
173
90
118
80
121
In 4 weeks
150,000
Melvin Papadopulous
337
250
130
171
116
130
200,000
Penn Copperfield
291
248
112
147
100
112
250,000
6 Bouts
George Le Fey
296
221
117
153
105
117
In 5 weeks
4 Rounds
300,000
Bryon Holmes
429
240
169
220
152
169
Buddy Presley
370
276
146
256
131
146
8 Bouts
Ramon Addams
375
379
151
224
136
151
500,000
Eddie Chapman
543
407
218
282
197
294
Graham Leonid
468
351
188
245
170
188
10 Bouts
Richard Punchington
473
409
193
248
175
193
5 Rounds
765,000
Ellison Helman
685
516
279
359
253
279
790,000
Sheridan O'Briain
591
333
241
310
218
241
810,000
National Title Match
Sean Toriyama
596
450
246
425
223
246
In 6 weeks
950,000
Worldwide 12 Bouts
Regis Knight
601
614
251
368
228
251
1,025,000
Uther Tennant
751
568
313
400
285
313
1,070,000
World Title Match
"Tiger's Eye" Davies
756
658
318
405
290
318
In 8 weeks
10 Rounds
1,070,000
World Championship Prelims
Allan Brando
761
578
323
410
295
323
1,220,000
World Championship Semis
Jiacomo Tyler
920
524
390
496
356
390
1,270,000
World Championship Finals
Arsene de Bois
951
722
403
691
368
403
1,320,000
World Championship Showdown
Kairobot
956
981
408
594
373
408
In 10 weeks
12 Rounds
1,365,000
Class Heavy [ ]
Title
Image
Opponent
Date
Format
Initial Fight Money (in G)
Amateur Match
Frank Raffles
228
168
91
118
81
122
In 3 weeks
3 Rounds
0
Lightning Larry
330
243
131
171
117
131
Paris Kinneas
285
241
113
147
101
113
4 Bouts
Machias Chere
290
215
118
152
106
118
In 4 weeks
150,000
Beanie-Boy Barrigan
420
233
171
220
153
171
200,000
Deejay Morales
362
268
147
256
132
147
250,000
6 Bouts
Dixon McClain
367
368
152
224
137
152
In 5 weeks
4 Rounds
300,000
Rollie Grounder
532
395
220
282
198
297
Carlos Tagliavini
458
341
190
243
171
190
8 Bouts
Nigel Fox
463
397
195
248
176
195
500,000
Rigby Brackenreid
671
501
282
359
255
282
Felix Navidad
578
324
243
310
220
243
10 Bouts
Calico Jack
583
437
248
428
225
248
5 Rounds
1,000,000
Brandon Rumbaba
845
854
359
525
326
359
Scott Madden
728
546
310
394
281
418
National Title Match
Chuck Bronson
733
551
315
401
286
315
In 6 weeks
2,440,000
Worldwide 12 Bouts
Christopher Turing
738
639
320
405
291
320
2,545,000
Clinch Westwood
922
521
400
506
363
400
2,545,000
World Title Match
Wayne Broski
927
700
405
685
368
405
In 8 weeks
10 Rounds
2,625,000
World Championship Prelims
Jan Fitzgerald
932
951
410
589
373
410
2,830,000
World Championship Semis
"Gem Fist" Branford
999
853
496
622
451
669
2,910,000
World Championship Finals
"Smiley Boy" Napier
999
881
512
643
466
512
World Championship Showdown
Sally Prin
999
999
517
647
471
517
In 10 weeks
12 Rounds
Exhibition Matches [ ]
750+ 550+ 350+ 550+ 350+ 350+
After winning the "World Championship Showdown" match of all weight classes open to a boxer, he can compete with Wairobots (from Level 1 to Level 99). Higher level Wairobots have very slightly increased stats. Each Exhibition Match begins 5 weeks after the application and is for 12 Rounds.
Upon defeating Wairobot Lv5, Wairobot Lv10, Wairobot Lv15, Wairobot Lv 20, etc., players will receive one "Retirement Age +1" item from each of these Wairobots.