Kentucky Derby 2020 pedigrees: Baffert, Pletcher trainees

Kentucky Derby 2020 pedigrees: Baffert, Pletcher trainees
Photo: Eclipse Sportswire

The countdown to the 2020 Kentucky Derby continues, with the spotlight on a pair of Hall of Fame trainers who generally have multiple entries in the classic race. Bob Baffert and Todd Pletcher typically have two or three contenders in the Kentucky Derby. Despite the changing Derby roster throughout the year, Bob Baffert still has a pair of Derby hopefuls in Authentic and Thousand Words, while Todd Pletcher is represented by Dr Post.

[RELATED: Kentucky Derby pedigrees: Tiz the Law, Art Collector, Honor A. P.]

Authentic and Dr Post have mirror breeding. Authentic is by a stallion who traces back to Storm Cat out of a dam by Mr. Greeley, a son of Gone West. Dr Post is by a stallion from the Gone West line out of a mare by Storm Cat’s Son Hennessy.

Let’s take a closer look at the pedigrees of the Hall of Fame trainer’s Kentucky Derby horses.


(Into Mischief - Flawless, by Mr. Greeley) 

Authentic enters the Kentucky Derby off a desperate nose victory in the Haskell Stakes. He set an unpressured pace, stalked by multiple graded placed Ny Traffic. Authentic seemingly had Ny Traffic put away in the stretch, but his competitor made a late surge to narrowly miss the victory. Previously, Authentic tasted defeat in the Santa Anita Derby, the first loss of his career. Authentic heads to Kentucky with a 5-4-0-1 ($1,011,200) record and 200 qualifying points, more than any contender except for Tiz the Law.

Pedigree: Authentic has a miler/middle-distance pedigree.

Last year’s leading sire, Into Mischief, needs no introduction. He is represented by 59 graded/listed stakes winners in the U.S. and Canada, including dual Eclipse Champion Covfefe and the sensational track record-setting Gamine, who will meet up with Swiss Skydiver in the Kentucky Oaks. Into Mischief’s offspring are brilliant but distance challenged. Only one of his 59 graded and listed winners has won at classic distances, turf router Bemma’s Boy.

Authentic is the first foal out of Flawless, who started only twice as a sprinter/miler. She’s only one of two foals to race out of an unraced dam. The third generation of Authentic’s female family is speed-oriented. It includes Dubai Golden Shaheen hero Reynaldothewizard, multiple Grade 1 winning sprinter American Gal, Go For Wand heroine Seventh Street, and her foal, Grade 1-placed sprinter Marking.

Mr. Greeley is the damsire of 71 listed/graded winners, who are strongest up to middle distances. A few have won at classic distances, such as Eskimo Kisses, winner of the 2018 Alabama Stakes.

Authentic is bred on the same cross as Listed winning sprinter More Mischief.


(Pioneerof the Nile – Pomeroys Pistol, by Pomeroy)

Thousand Words surprised the odds-on favorite Honor A. P. in the listed Shared Belief Stakes. The large, dark-bay son of Pioneerof the Nile grabbed the lead at the outset and was pressured by Honor A. P., who was kept three wide by Thousand Words stablemate Cezanne. Thousand Words kept on determinedly and won the 1 1/16-mile contest by 3/4-length. Bob Baffert’s charge has a 7-4-1-0 ($327,000) record and 83 Kentucky Derby qualifying points.

Pedigree: This $1 million baby has a stamina over speed pedigree and the conformation to handle middle distances. However, mentally, he may not want to go farther than 1 1/16 miles.  

Pioneerof the Nile gets winners at all distances, and his legacy lives on in his most accomplished son American Pharoah.

Thousand Words’ distaff line is speed-oriented. He’s the third foal and second winner out of  Pomeroys Pistol, a multiple graded winning sprinter who earned over $574,000 in her 14-race career. Pomeroys Pistol captured the Forward Gal (G2), Gallant Bloom (G2) and Sugar Swirl (G3), and placed in the Test and Prioress, both Grade 1 events.

Pomeroys Pistol is a half-sister to the multiple stakes placed sprinters Wildcat Creek and D’Cats Meow. Another half-sister bore Good Credence, who was third in the 2019 Maid of the Mist Stakes at a mile. Thousand Words’ third dam Swearingen was a multiple stakes-earning veteran turf mare who was successful from a mile to 1 1/8 miles. The hardy mare earned $673,233 in 37 starts.

Thousand Words’ damsire, Pomeroy, is a multiple Grade 1-winning sprinter who earned $845,050 in 18 starts. He sired 14 stakes winners in the seven years that he stood in America before shipping to Saudi Arabia. Thousand Words is Pomeroy’s only stakes winner as a broodmare sire.


(Quality Road - Mary Delaney, by Hennessy)

After capturing the Unbridled Stakes at Gulfstream Park, Dr Post put forth an excellent effort in the Belmont Stakes, racing four to six wide and finishing second, clearly best of the rest. The Pletcher trainee made a mild bid in the Haskell Stakes, but could manage only third place. He has earned $361,635 with a 5-2-1-1 record. Dr Post has 80 Derby qualifying points.

Pedigree: Dr Post has middle-distance breeding. 

Quality Road has sired 39 graded/listed stakes winners in the U.S. and Canada. His best performers include 2017 Champion 3 Year Old Filly Abel Tasman, 2017 Breeders’ Cup Dirt Mile hero City of Light and multiple Grade 1 winning sprinter/miler Bellafina. There are a couple of exceptions, but for the most part, Quality Road’s offspring are distance challenged beyond 1 1/8 miles.

Mary Delaney is a multiple graded stakes winning sprinter who earned $305,879 in 16 starts and holds the only noteworthy blacktype in three generations of the female family. Grade 1 winning turf miler Thorn Song is a distant relative.

Hennessy is the damsire of 66 graded/listed stakes winners in the U.S. and Canada. His daughter’s offspring win at all distances. They include Alabama Stakes winners Swiss Skydiver and Careless Jewel, 2018 Champion 3-Year-Old Filly Monomoy Girl, 2017 Pacific Classic winner Collected, and multiple graded winning sprinter Whitmore. 

Dr Post is bred on the same cross as 2014 Breeders’ Cup Juvenile Turf hero Hootenanny and Grade 3-winning sprinter Great Stuff.

Meet Laurie Ross

 HRN Pedigree Analyst 


 Published Author

 Pedigree Research/Consultation/Sales 

 ThoroFan Board Member

 Member – NTWAB

Through hands-on work at barns, I learned valuable lessons about Thoroughbred conformation, gait, and temperament and later worked withThoroughbred rescue/re-train organizations. I have committed my passion for horses to the intensive study of pedigree and breeding theory for the last 20 years. 

I support clients with all aspects of pedigree/breeding analysis, research, sales, catalogue review, and recommendations on claims or private sales. Clients include national leading owners, racing/breeding syndicates, the little guy with one mare, and everyone in between. 10-20% of all proceeds are donated to Thoroughbred rescue & retraining groups. Check out my website, Iron Maidens Thoroughbreds, and the IMTBreds blog.

I welcome your questions regarding pedigree, handicapping, and breeding. If you would like me to cover a specific topic, please contact me. 

Twitter: @IMTBreds
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LinkedIn: Laurie Ross

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