Three horses trained by William Morey were withdrawn from Friday's card at 12:30 p.m., about a half-hour before the first race.

Steward Grant Baker said the horses were withdrawn because of a medication issue. "It's been looked at," he said.

He did not elaborate. Morey was not immediately available for comment.

The scratched horses were Tick Tock (7) in the first race, Gate Speed (3) in the fifth, and Lord Guinness (3) in the sixth.  

Tick Tock was even-money in early betting for the first race.