All player ages are determined by the birth chart shown above. May 1 in any year shall be the deciding date. Any questions please email us at info@phillybaseballtraining.com.
| 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | |
| January | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| February | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| March | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| April | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| May | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| June | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| July | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| August | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| September | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| October | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| November | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| December | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
