With more than 100,000 in attendance on what became a wet Oaks Day, Churchill Downs Incorporated (CDI) reported that all-sources wagering on the GI Kentucky Oaks was $22.7 million, which was up four percent from last year, but betting from all-sources on the full race day card was $73.9 million, which was down 1.9% from last year's record $75.3 million, the company said in a release late on Friday. TwinSpires, the official betting partner of the Kentucky Oaks, handled a new record of $20.9 million in wagering on Churchill Downs...