Miller's horses finish 1-2 in fourth race on Opening Day at Del Mar

Opening Day for this year’s Del Mar Thoroughbred Club summer meet was July 17, and in the fourth race a pair of San Luis Rey Training Center horses trained by Peter Miller took the top two positions.

Aftermarketslam and Super Reagan, both 3-year-old geldings who joined Miller’s barn after being claimed during a June 1 race at Santa Anita, finished first and second in the one-mile maiden claiming race for horses 3 years old and upward.

Aftermarketslam, ridden by Drayden Van Dyke, won with a time of 1:38.74 and finished half a length ahead of Super Reagan, who was ridden by Elvis Trujillo.

“It w...