**Note: Only broodmare sires with a calculated BMSPI and having at least 5 MD bred Route starters are listed. BMSPI is calculated when foals have raced in North America. Earnings do not include Japanese earnings. Categorical leaders are in bold.
Links to other lists by Earnings, stakes winners, winners, miler by spi, and sprint by spi. Return to Home Page.| Rnrs | Wnrs | SWnrs | Route | |||
| Rank | Broodmare Sire | Route/All | Route/All | Route/All | (ChiefEarner, Earnings, Sire -- Dam) | BMSPI |
| 1 | Broad Brush, 1983 | 19/29 | 12/18 | 4/3 | ( Richard's Kid, $419,990, by Lemon Drop Kid -- Tough Broad) | 4.28 |
| 2 | Carson City, 1987 | 6/8 | 3/7 | 0/0 | ( Slip And Drive, $88,100, by Artie Schiller -- The Green Owl) | 2.02 |
| 3 | Cryptoclearance, 1984 - 2009 | 9/14 | 5/9 | 0/0 | ( Charge, $36,500, by Jump Start -- Pour It On) | 1.67 |
| 4 | Cozzene, 1980 - 2008 | 9/12 | 5/7 | 1/1 | ( Wild Jacob, $56,020, by Eurosilver -- Let's Coast) | 1.61 |
| 5 | Not For Love, 1990 | 17/30 | 7/14 | 1/1 | ( Da Mi Basia Mille, $56,000, by Pure Prize -- Miss Cozze) | 1.49 |
| 6 | Wayne County (IRE), 1990 | 6/12 | 3/5 | 0/0 | ( Gully, $33,000, by Yarrow Brae -- Seven Counties) | 1.40 |
| 7 | Black Tie Affair (IRE), 1986 | 5/5 | 1/2 | 0/0 | ( Cactus Charlie, $22,900, by Not For Love -- Holiday Ball) | 1.16 |
| 8 | Yarrow Brae, 1995 | 6/12 | 2/4 | 0/0 | ( Secret Dab, $14,240, by Star Dabbler -- Ramanti) | 1.00 |
| 9 | Smarten, 1976 | 9/18 | 4/11 | 0/1 | ( Smart Tori, $78,580, by Tenpins -- Smart Jane) | 0.98 |
| 10 | Valley Crossing, 1988 | 10/21 | 5/11 | 0/0 | ( Hill Crossing, $57,347, by Yarrow Brae -- Clever Crossing) | 0.90 |
| 11 | Dixieland Band, 1980 - 2010 | 9/12 | 3/7 | 0/1 | ( All About Her, $69,973, by Purge -- Donnan's Holly) | 0.86 |
| 12 | Silver Deputy, 1985 | 6/10 | 2/6 | 0/0 | ( Scariff Island, $25,010, by Sky Mesa -- Petite Noire) | 0.83 |
| 13 | Two Punch, 1983 - 2011 | 7/17 | 1/9 | 0/1 | ( Balto More, $23,989, by Inner Harbour -- Miss Rolla Punch) | 0.72 |
| 14 | Allen's Prospect, 1982 | 15/29 | 7/15 | 0/0 | ( Touch The Birds, $42,520, by Dance With Ravens -- All The Words) | 0.69 |
| 15 | Norquestor, 1986 - 1999 | 13/18 | 8/12 | 0/0 | ( Drop It Now, $25,970, by Eavesdropper -- Trollette) | 0.68 |
| 16 | Malibu Moon, 1997 | 7/14 | 2/6 | 0/0 | ( Who Dat Boy, $21,970, by Cherokee's Boy -- Slow And Steady) | 0.67 |
| 17 | Horatius, 1975 - 2006 | 15/28 | 3/12 | 0/0 | ( Averil's Ring, $37,805, by St Averil -- It's A True Ring) | 0.66 |
| 18 | Polish Numbers, 1987 - 2002 | 22/43 | 5/19 | 0/0 | ( Sharp Numbers, $25,360, by Johar -- Flight Numbers) | 0.66 |
| 19 | Waquoit, 1983 - 2007 | 8/12 | 2/6 | 0/0 | ( Miner's Tune, $29,550, by Polish Miner -- Waquoit's Tune) | 0.58 |
| 20 | Caveat, 1980 - 1995 | 8/11 | 2/4 | 0/0 | ( Call Of A Lion, $16,480, by Lion Hearted -- Cavalanche) | 0.58 |
| 21 | Summer Squall, 1987 - 2009 | 6/7 | 3/5 | 0/0 | ( Francesco Punch, $22,350, by Two Punch -- Donna Doolittle) | 0.53 |
| 22 | Deputed Testamony, 1980 | 6/7 | 0/1 | 0/0 | ( Pleze Mr President, $4,845, by Polish Miner -- Please Mong) | 0.48 |
| 23 | Clever Secret, 1984 | 5/7 | 2/2 | 0/0 | ( Orithyia, $17,950, by Greek Sun -- Fran's Secretary) | 0.45 |
| 24 | Afternoon Deelites, 1992 | 5/5 | 1/1 | 0/0 | ( Brand New Moves, $31,345, by Domestic Dispute -- Oh) | 0.41 |
| 25 | Citidancer, 1987 | 7/18 | 1/11 | 0/0 | ( Dr. Skip, $50,920, by Eddington -- Mz. Ann) | 0.35 |
| 26 | Partner's Hero, 1994 | 6/14 | 2/7 | 0/0 | ( Prince Togiak, $14,739, by St Averil -- Pretty Princess) | 0.28 |