Delaware Park will begin offering a bonus of approximately 10 percent on exacta wagers placed at the track on its live races. Starting Saturday, Sept. 4, the takeout on exactas for Delaware Park races will be reduced from 19 percent to 10 percent, but only on bets placed at the Wilmington, Del., track. The exacta pool bonus will remain in effect until the end of the meet on Nov. 6, Breeders’ Cup Classic Day. As an example of how the bonus will work, a $2 exacta that returns $100 will be worth approximately $110 to ontrack bettors.