Three Chimneys' Gun Runner (Candy Ride {Arg}) set a new record for progeny earnings for a first-crop sire when his total moved past the $3.8-million mark Sunday. Coolmore's Uncle Mo held the previous record of $3,717,490, which he established in 2015. Prior to Uncle Mo, the first-crop progeny earnings record had been held by Gainesway's Tapit, who set the mark in 2008. Gun Runner took over the record earnings figure when the Tom Amoss-trained Shotgun Hottie won a $92,000 maiden special weight at Churchill Downs Sunday, becoming the stallion's 22nd...