Hall of Fame rider Calvin Borel was not injured when thrown from Tranquility Base in Sunday's sixth race at Oaklawn Park and with no more mounts on the card will resume riding Thursday, said his agent, Steve Krajcir. 

The next race day at Oaklawn is Thursday. 

Krajcir said Borel told him Tranquility Base had a stifle joint lock up into the first turn of the race Sunday.