Maj. Gen. Alfred Pleasonton, USA
Both sides engaged divisions.
There were only about 100 casualties.
On July 8, the Confederate cavalry, holding the South Mountain passes, fought a rearguard action against elements of the Union 1st and 3rd Cavalry Divisions and infantry. This action was one of a series of cavalry combats fought around Boonsboro, Hagerstown, and Williamsport.
There was no real victory, although the Confederates withdrew safely.