Multiple Sovereign Award winner Mark Casse sends out four of the nine runners in Sunday's GIII Mazarine S. at Woodbine. Leading the quartet is Conrad Farms homebred Aubrieta (Speightster). A debut winner sprinting at this oval Sept. 11, the bay was second in the state-bred Shady Well S. Oct. 8 and returned to winning ways in the Glorious Song S. here 22 days later. Live Oak's $550,000 OBSMAR buy Souper Hoity Toity (Uncle Mo) graduated at second asking on the grass here Oct. 1 and won an optional claimer on...