The Walsall-born boss, who had seen his side go undefeated during their opening seven league games, spoke of his disappointment as goals from John Marquis, Mallik Wilks, James Coppinger, and Matty Blair, cancelled out Morgan Ferrier's opener to secure all-three points for the visiting side, in what turned out to be a tension-filled affair.
Dean, who saw himself booked during a tense second-half, admitted that he is disappointed to see his side's run come to an end but was fully aware that it was unlikely to last for the whole of the campaign.
Keates was also quick to call upon his side to regain their focus as they now move on to prepare for next weekend's League One clash with Oxford United.
Keates was also quick to call upon his side to regain their focus as they now move on to prepare for next weekend's League One clash with Oxford United.