Leading Sires of 2YO Winners
(through 31 December 2005)
* Freshman Sire
| Rank | Stallion | State | Foals | Winners |
| 1 | GIANT'S CAUSEWAY | KY | 155 | 28 |
| 2 | MORE THAN READY | KY | 100 | 24 |
| 3 | VALID EXPECTATIONS | TX | 65 | 23 |
| 4 | CITY ZIP* | KY | 74 | 20 |
| GILDED TIME | KY | 85 | 20 | |
| 6 | MR. GREELEY | KY | 99 | 19 |
| SONGANDAPRAYER* | KY | 59 | 19 | |
| 8 | FUSAICHI PEGASUS | KY | 108 | 18 |
| GRAND SLAM | KY | 148 | 18 | |
| HIGH YIELD | KY | 115 | 18 | |
| LOUIS QUATORZE | MD | 124 | 18 | |
| MUTAKDDIM | KY | 81 | 18 | |
| TALE OF THE CAT | KY | 115 | 18 | |
| 14 | BLACK MINNALOUSHE* | KY | 103 | 17 |
| DEPUTY COMMANDER | KY | 66 | 17 | |
| FOREST CAMP* | KY | 78 | 17 | |
| STORM CAT | KY | 91 | 17 | |
| THUNDER GULCH | KY | 104 | 17 | |
| TRIPPI* | FL | 72 | 17 |