...o the north, run a neck-and-neck race to save Louisville from rebel occupation. Successful in this, Buell immediately turned and, pursuing the now retreating forces of Bragg, brought them to bay at Perryville , where, on October 8, was fought a considerable battle from which Bragg immediately retreated out of Kentucky. While on one hand Bragg had suffered defeat, he had on the other caused Buell to g...