Common sense would indicate that full siblings to a good horse have a better chance of being good runners themselves than half siblings, all other factors being equal and the respective sires being of roughly equal merit.
The quest for the classic racehorse has been ongoing since the first classic races were inaugurated in England in the late 1700s.
Among this year's classic prospects, the list with Mr. Prospector inbreeding includes California Chrome, Noble Moon, In Trouble, Rise Up, Vinceremos, and Ring Weekend.
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How far Wildcat Red will go is anyone's guess, but he has already gone farther than many people thought he might and shown fine gameness while doing so.
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Candy Boy is the product of two generations of outcrossing on what had become an intensely inbred female line.
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The pedigree of Midnight Hawk, on the surface a mating between two sprinters, actually shows a nice balance between speed and stamina elements.
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Wildcat Heir is pretty one-dimensional as a sire, but what he does, he does well, getting solid sprinters that can handle a variety of surfaces.
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Shared Belief ran away with the CashCall Futurity and put in his bid to become the first juvenile champion to skip the Breeders' Cup since Declan's Moon.
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As a son of A.P. Indy, Honor Code should have no problems with stamina, nor is there much concern as to whether he will train on at 3.
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Point of Entry is now off to stud, but the Phipps family may already have his replacement for next season's major turf distance events in Imagining.
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Shockwaves are still reverberating through the breeding community at the loss of Harlan's Holiday.
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The great Secretariat is not exactly in Herod's position yet as a universal influence on pedigrees, but he may be moving in that direction.
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Artie Schiller follows Medaglia d'Oro and Kitten's Joy as the third son of El Prado finding notable success at stud in the U.S.
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As the first new sire to come to Sandringham since Motivator, Al Khazeem offers the Royal Studs both a sire line that is an outcross and a female family of transatlantic interest.
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Tamarando, a member of Bertrando's next-to-last crop, may finally provide a chance of continuing the Bertrando branch of the In Reality/Relaunch sire line.
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Times Two is the 5th dam of both King's Bishop winner Capo Bastone and Travers winner Will Take Charge.
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Moonlight Cloud has a Win and You're In ticket to the Breeders' Cup Mile (gr. IT), and on her form this year, she would be a more than worthy challenger for Wise Dan.
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Kettle Corn isn't likely to be mistaken for a great horse, but on his day, he can be dangerous, as he proved July 27 when defeating Paynter in the San Diego Handicap (gr. II).
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So far, no white Thoroughbred has ever become a stakes winner in American, but a breakthrough for these horses of a different color may be only a matter of time.
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Jim Bolger could be thought of as the 'little giant' in the Irish arena, given the magnitude of what he has accomplished while operating on a small scale.
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On June 15, the Clasico Tanteo de Potrancas (Chi-I), fell to Divina Preciosa, a daughter of the American export Crocker Road, yet another of the busy clan of Missy Baba.
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Ruler of The World hails from one of the best sire-producing families on the international scene, that of Missy Baba.
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Cee's Song produced four stakes winners, one an important sire, and two multiple stakes producers, each with a grade I winner to her credit.
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Son of New Approach has already proven himself both a worthy heir to his sire and a proud addition to a family that has enjoyed substantial success on both sides of the Atlantic.
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Whether Winning Cause is a good horse anywhere else is still to be tested, but he sure likes Keeneland's Polytrack.
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Normandy Invasion has a running style that suggests the Derby distance will be no problem, but he has a pedigree that is ambiguous when it comes to stretching out to 10 furlongs.
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Coming off a Feb. 23 turf allowance score at Gulfstream Park, the colt defeated the more heralded Uncaptured by 1 1/2 lengths.
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Coolmore's latest purchase handled the jump up to stakes company with aplomb in the Tampa Bay Derby.
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Orb is a modern representative of a long and happy association between the Janneys and the Phipps family.
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John Nerud managed at least part of the racing or breeding careers of several important sires, as well as breeding and racing two more in his own right.
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With back-to-back impressive performances under his belt, Itsmyluckyday looks like a colt with a good future ahead of him.
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Pedigrees don't win races, but on paper, none of the new faces to emerge so far in 2013 looks better than Elnaawi.
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The debate over whether to permit artificial insemination (AI) in the Thoroughbred has been around just about as long as the practice.
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The equine Violence now must be considered a leading Triple Crown prospect for owner Black Rock Thoroughbreds and trainer Todd Pletcher.
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Racing as a homebred for the G. Watts Humphrey Jr. & Louise Ireland Humphrey Revocable Trust, Centre Court dominated a solid field of distaff turfers to notch her third graded stakes win of the year.
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Loch Garman is the second group I-winning juvenile sired by Teofilo, European champion juvenile male in 2006.
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Excelebration can be added to the list of championship-caliber horses who had the misfortune to be foaled in the same crop as a still better runner.
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The standout among this year's juvenile males will likely shine at the Breeders' Cup. His pedigree, however, raises questions about his stamina when it comes to next year's classics.
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Handsome Mike is the fourth graded/group stakes winner of 2012 for Ashford Stud's Scat Daddy.
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A $7,500 yearling at the 2011 Ocala Breeders' Sales winter mixed event, Rolling Fog is now a grade I winner with earnings of $222,000.
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Montana-based Magic City Thoroughbreds cashed in a Golden Ticket of its own Aug. 25 when its colt of that name dead-heated with favored Alpha for the historic Travers Stakes.
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Know More, who won the Best Pal Stakes in his debut, is another promising 2-year-old sired by Lion Heart, who now resides in Turkey.
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No one will be forgetting Memories of Silver any time soon, because her daughter, Winter Memories, won some the same races at Saratoga as her dam.
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Sometimes good things come to those who wait. Such appears to be the case for the Phipps Stable, whose homebred Point of Entry secured his first grade I win with his victory July 14 in the Man o' War.
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On the final day of June this year, Arazi's 6-year-old grandson Jeranimo showed a flash of magic, coming from last to first to score his first grade I win in the Shoemaker Mile.
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Now the winner of four consecutive races, Strait of Dover not only went gate to wire to defeat Irish Mission but set a new Woodbine track record of 2:01.99 for the Polytrack surface.
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From an owner's point of view, there is no better time for a 3-year-old to make rapid improvement than when the spring classics are on the line, as Irish Mission did in winning the Woodbine Oaks.
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Gentildonna is from the 2nd crop of 2-time Japanese Horse of the Year Deep Impact, and is the first of his offspring to win a group race at more than a mile.
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The Two Thousand Guineas winner is now the favorite for the Epsom Derby, a race more likely to be in line with his true aptitude.
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Dullahan is the now the only likely starter for the Kentucky Derby with two grade I wins.
