Select the month and year of the player's birth to determine his league age and the division for which he is eligible.
| DIVISION | AGE | JAN | FEB | MAR | APR | MAY | JUNE | JULY | AUG | SEP | OCT | NOV | DEC |
| Palomino | 19 | 1989 | 1989 | 1989 | 1989 | 1988 | 1988 | 1988 | 1988 | 1988 | 1988 | 1988 | 1988 |
| 18 | 1990 | 1990 | 1990 | 1990 | 1989 | 1989 | 1989 | 1989 | 1989 | 1989 | 1989 | 1989 | |
| 17 | 1991 | 1991 | 1991 | 1991 | 1990 | 1990 | 1990 | 1990 | 1990 | 1990 | 1990 | 1990 | |
| Colt | 16 | 1992 | 1992 | 1992 | 1992 | 1991 | 1991 | 1991 | 1991 | 1991 | 1991 | 1991 | 1991 |
| 15 | 1993 | 1993 | 1993 | 1993 | 1992 | 1992 | 1992 | 1992 | 1992 | 1992 | 1992 | 1992 | |
| Pony | 14 | 1994 | 1994 | 1994 | 1994 | 1993 | 1993 | 1993 | 1993 | 1993 | 1993 | 1993 | 1993 |
| 13 | 1995 | 1995 | 1995 | 1995 | 1994 | 1994 | 1994 | 1994 | 1994 | 1994 | 1994 | 1994 |