Desormeaux Gets 576th

World record-setting jockey Kent Desormeaux added his third victory of the day and 576th of the year Tuesday when Seattle Dawn claimed the $22,000 Marta Purse at Laurel Race Course. Seattle Dawn, the favorite in a field of seven, took the lead rounding the final turn and coasted under the wire in 1:45 4/5 for a mile and one-sixteenth.