He is by leading American sire Storm Cat, while his dam She's a Winner belongs to "the best family on earth", descending from La Troienne through Numbered Account.
[3] Bluegrass Cat made his debut on June 24 in a maiden race at Churchill Downs, finishing eighth after being bumped hard at the start.
"[7] Bluegrass Cat started his three-year-old campaign at Tampa Bay Downs in the Sam F. Davis Stakes on February 16.
[8] On March 18, Bluegrass Cat was the 2-5 favorite in the Tampa Bay Derby but lost his footing on the far turn and finished second to Deputy Glitters, a horse he had defeated in the Sam Davis.
[9] Bluegrass Cat next entered the Blue Grass Stakes at Keeneland on April 15, where he was badly beaten by front running Sinister Minister.
[10] Pletcher felt the loss may have been due to the Keeneland surface, which had shown a speed bias that favored horses on the lead.
He got off to a fast start when his first crop reached racing age in 2010, with seven winners by July, all of them reinforcing Bluegrass Cat's linebreeding to La Troienne.
[20] He eventually finished second on the freshman sire list with two graded stakes winners including Kathmanblu, his leading earner.
[21] In the 2011 second-crop sire listing, Bluegrass Cat finished second behind Bernardini[22] but was moved to New York for the 2012 season in partnership with Vinery Stud.
[28] In late 2006, WinStar Farm purchased her full sister Supercharger in foal to Maria's Mon for $160,000: The resulting colt was 2010 Kentucky Derby winner Super Saver.
Bluegrass Cat has a total of five strains of the highly influential mare La Troienne: two through Numbered Account, two through Seattle Slew's dam My Charmer and one through A.P.