Mendelssohn, a son of Scat Daddy, was a late foal with a May 17 birthday. His dam Leslie’s Lady when mated to other Storm Cat line stallions produced the brilliant Beholder and Into Mischief, a Gr.1-winning 2yo who has done so well as a stallion that his fee has risen from $7,500 to $225,000 for 2021.

Mendelssohn cost $3m as a yearling and he didn’t take long to justify his price. After finishing second in Europe’s top juvenile race, the Gr.1 Dewhurst S., Mendelssohn travelled to Del Mar and won the Gr.1 Breeders’ Cup Juvenile Turf. But he isn’t a one-dimensional turf horse. He began his 3yo campaign with a Listed victory on all-weather and then took the Gr.2 UAE Derby on dirt by an astonishing 18 lengths, to earn a shot at the Kentucky Derby. He was unable to give his true running at Churchill Downs after being badly bumped in the early stages, but subsequently confirmed his talent on dirt, taking second place in the Gr.1 Travers S. and third in the Gr.1 Jockey Club Gold Cup.

There’s every reason to expect Mendelssohn to prove highly effective as a stallion. Scat Daddy underlined his importance with the Triple Crown victories of his brilliant son Justify in the same year that another son, No Nay Never, ran away with the title of Champion first-crop sire in Britain and Ireland. At the same time Into Mischief’s career has continued its sensational upward trajectory, to the extent that he became champion sire in 2019 and is likely to repeat the feat in 2020, when his son Authentic won the Kentucky Derby.

Much of Into Mischief’s success has been based on the MR PROSPECTOR line, with five of his seven Gr.1 winners being out of mares from this male line. His Gr.1 winners Practical Joke and Goldencents are both out of grand-daughters of FORTY NINER. It was a grand-daughter of Forty Niner, by END SWEEP, who produced Scat Daddy’s very fast daughter Acapulco, so this is an area which must be tried with Mendelssohn.

Into Mischief also has two SWs from seven foals out of CARSON CITY mares and a Gr.3 winner out of a mare by Carson City’s son FIVE STAR DAY. Kentucky Derby winner Authentic has a dam by GONE WEST’s son MR GREELEY, while the filly Mia Mischief is out of another grand-daughter of GONE WEST, by SPEIGHTSTOWN. Into Mischief’s 12 foals out of SPEIGHTSTOWN mares also include the Gr.2 winner Engage and Gr.3 winner Mischievious Alex.

Mares by MR GREELEY and ELUSIVE QUALITY should also work well, especially when Scat Daddy sired the very successful No Nay Never from an ELUSIVE QUALITY mare. Goldencents’ Gr.2 winner By My Standards is out of a grand-daughter of GONE WEST.

Scat Daddy sired GSWs from mares by SMART STRIKE and his son CURLIN. No Nay Never has a Gr.2 winner out of a mare by Smart Strike’s son ENGLISH CHANNEL.

Both his sire Scat Daddy and his half-brother Into Mischief enjoyed success with the UNBRIDLED branch, so Mendelssohn is a natural choice for this line. Scat Daddy sired GSWs from mares by EMPIRE MAKER and UNBRIDLED’S SONG. Scat Daddy also had GSWs from mares by UNBRIDLED’S SONG’s sons BUDDHA (Gr.1 winner Valid Point), SONGANDAPRAYER, FIRST DEFENCE and ROCKPORT HARBOR.

The UNBRIDLED branch provided Into Mischief with the very talented Covfefe. There are also SWs out of daughters of EMPIRE MAKER and UNBRIDLED’S SONG. Into Mischief when mated with a mare by SONGANDAPRAYER sired Gr.2 winner Maximus Mischief.

Scat Daddy enjoyed Graded success with several mares from the SEATTLE SLEW line, siring Gr.1 winners from mares by his son HOUSTON and great-grandson SKY MESA. Sky Mesa is by PULPIT, as is TAPIT, whose daughters have produced three SWs among their seven foals with Scat Daddy. Into Mischief has SWs with dams by BERNARDINI, CONGRATS and APTITUDE, and he too has made a promising start with TAPIT mares.

Scat Daddy has Gr.1 winners with DANZIG line mares, for example BOUNDARY is the broodmare sire of his 2020 Gr.1 winner Combatant. His son No Nay Never has two Gr.1 winners already with mares descending from DANZIG too including HARD SPUN, so this should also work with Mendelssohn.

Scat Daddy sired the great Justify from a mare by GHOSTZAPPER and has two good runners out of mares by AWESOME AGAIN, as well as a Gr.3 winner from a FRENCH DEPUTY mare. His Gr.1 winner Celestine has a second dam by DEHERE. This suggests that Mendelssohn should be tried with mares with DEPUTY MINISTER blood.

Scat Daddy’s exceptionally fast daughter Lady Aurelia is inbred 4x3 to STORM CAT, as she has a dam by FOREST WILDCAT. Storm Cat will be back in the fifth generation of Mendelssohn’s foals, so there is ample scope for more STORM CAT blood.

HOLY BULL mares did very well with Scat Daddy, notably producing the top sprinter Caravaggio.

UNCLE MO mares are worth trying as Into Mischief has Gr.2 and Gr.3 winners with dams by INDIAN CHARLIE.

Mares by CHEROKEE RUN and his son KAFWAIN have had Graded success with Into Mischief, KAFWAIN being the broodmare sire of Gr.1 winner Gamine. Goldencents has a Gr.3 winner out of an ORIENTATE mare.

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