**Note: Only sires with a calculated SPI and having at least 5 IA bred starters are listed. SPI is calculated when foals have raced in North America. Earnings do not include Japanese earnings. Categorical leaders are in bold.
Links to lists by Earnings, stakes winners and winners. Return to Home Page.| Rnrs | SWnrs | 2012 | ||||
| Rank | Stallion (YOB, Sire), Where Stands | Stud Fee | /Wnrs | /SWins | (Chief Earners, Earnings) | SPI |
| 1 | ADDED EDGE (2000, Smart Strike), Special K Stables, IA | $1,500 | 32/18 | 2/2 | (Rudy's Edge, $100,084) | 1.13 |
| 2 | RUSHIN' TO ALTAR (1999, Pulpit), McClintock Equine Station, IA | $1,500 | 6/1 | 0/0 | (Wed Too Quick, $16,065) | 0.35 |