O'Grady, Sean 
vs. Anaya, R 3
vs. Fukuyama, S 5
vs. Ganigan, A 2
vs. Kenty, H 15
vs. Ranzany, P 10
vs. Verderosa, J 4
vs. Watt, J 12  

Ojeda, J
vs. Barraza, A 3
vs. Mondajar, F 4
vs. Reyes, R 9

Olajide, Michael
vs. Barkley, I 5
vs. Hearns, T 12

Olajide, Tokunbo 
vs. Baku, E 4
vs. Brown, T 4
vs. Jones, G 5
vs. Karsten, R 4
vs. Mendoza, E 1
vs. Tate, F 15 

Olivares, Ruben 
vs. Arguello, A 13 
vs. Castillo, C I 15 
vs. Chacon, B I 9 
vs. Chacon, B II 2 
vs. Harada, U 2
vs. Lopez, D 7
vs. Pimentel, J 11 
vs. Rose, L 5
vs. Serley, W 2 

Oliveira, Ray 
vs. Burton, E 8
vs. Duran, S 9
vs. Hatton, R 12
vs. Hightower, R 2
vs. Mackie, B 10
vs. Murray, C I 10
vs. Murray, C II 12
vs. Ortiz, E 12
vs. Padilla, Z 12
vs. Phillips, V 12
vs. Salman, C 10
vs. Tackie, B 12 

Oliver, M 
vs. Crittenden, D 3 

Olson, Scotty 
vs. Carbajal, M 10
vs. Martinez, M 1
vs. McCullough, W (AM)
vs. Porras, S
vs. Santeliz, A 1 
vs. Zepeda, JL

Onyango, J
vs. Suleymonoglu, N 6
vs. Williams, P 6

Oquendo, Fres 
vs. Brown, R 4
vs. Byrd, C 12
vs. Etienne, C 9
vs. Green, R 4
vs. Harris, M 10
vs. Holyfield, E 12
vs. Izon, D 3
vs. Mora, S 10
vs. Tua, D 9 

Ortiz, Elio
vs. Cintron, K 6
vs. Oliveira, R 12
vs. Reid, T 4

Ortiz, Eric
vs. Aguirre, J 7

Ortiz, Victor
vs. Cardova Jr., M 1
vs. Maussa, C 1

O'Sullivan, Shaun
vs. Brown, S 3
vs. Tate, T (amateur)

Ottke, Sven 
vs. Gatti, J 9
vs. Wells, R (amateur) 

Ouellet, Stephane
vs. Hilton, D I 12
vs. Hilton, D II 3
vs. Sheika, O 2

Ouma, K 
vs. Bojorquez, C 8
vs. Candelo, J 10
vs. Cuevas, A 4
vs. Hernandez, A 12
vs. Jantuah, K 12
vs. Karmazin, R 12
vs. Lerma, M 10 
vs. Mora, F 8
vs. Papillion, J 8
vs. Phillips, V III 12  
vs. Powell, S 10
vs. Rubio, MA 12
vs. Taylor, J 12
vs. Wood, D 11