Spendthrift Farm, Ashford Stud and Three Chimneys Farm are suing The Jockey Club in federal court over the "stallion cap" rule that went into effect in 2020, alleging that the 140-mare breeding limit now being phased in amounts to a "blatant abuse of power" that acts as an "anti-competitive restraint" and threatens to disrupt the free-market nature of the bloodstock business. The plaintiffs contend that the stallion cap "serves no legitimate purpose and has no scientific basis" while alleging that the nine stewards of The Jockey Club who voted to...