| Name |
Pos |
Team |
Age |
DOB |
POB |
Nationality |
Bats |
Throws |
Height |
Weight |
Salary |
| O'Connor, Amhlaoibh |
SP |
Free Agent |
26 |
09/22/1899 |
Naas |
IRL |
Left |
Left |
5' 7" |
160 lbs |
- |
| O'Doherty, Patrick |
RP |
Free Agent |
27 |
07/22/1899 |
Birmingham |
ENG |
Right |
Right |
5' 10" |
175 lbs |
- |
| Ojeda, Fidel |
RP |
Free Agent |
26 |
07/21/1900 |
A Coruña |
ESP |
Left |
Left |
5' 10" |
175 lbs |
- |
| Olivier, Dylan |
C |
Free Agent |
29 |
09/20/1897 |
Koksijde |
BEL |
Right |
Right |
6' 0" |
210 lbs |
- |
| Ollier, Florent |
LF |
Moscow Ambassadors |
25 |
11/20/1900 |
Châtenay-Malabry |
FRA |
Right |
Right |
5' 11" |
180 lbs |
$2,320 |
| Ollivier, Bernard |
RF |
Budapest Bulls |
26 |
12/16/1899 |
Fontenay-le-Comte |
FRA |
Left |
Left |
5' 11" |
195 lbs |
$2,320 |
| Olvera, Antonio |
RP |
Free Agent |
27 |
04/13/1899 |
Cartagena |
ESP |
Right |
Right |
6' 0" |
190 lbs |
- |
| Omeragic, Radovan |
1B |
Birmingham Comets |
27 |
07/18/1899 |
Belgrade |
SER |
Switch |
Right |
6' 1" |
225 lbs |
$2,320 |
| Ozemblovsky, Yuri |
RP |
Free Agent |
24 |
12/01/1901 |
Kyiv |
UKR |
Left |
Right |
5' 10" |
180 lbs |
- |
|