One commander at this battle was almost killed by Henry de Bohun while riding alone in front of his lines, but saved himself by killing Bohun with a battle axe.  The defending army was drawn up into three squares, and a series of pits with stakes at the bottom was dug in front of their line.  After the Earl of Gloucester was killed on the second day of fighting, it turned into a rout and the losing commander was forced to
One commander at this battle was almost killed by Henry de Bohun while riding alone in front of his lines, but saved himself by killing Bohun with a battle axe.  The defending army was drawn up into three squares, and a series of pits with stakes at the bottom was dug in front of their line.  After the Earl of Gloucester was killed on the second day of fighting, it turned into a rout and the losing commander was forced to flee to Dunbar Castle.  FTP, name this battle fought south of Stirling Castle in the summer of 1314, in which Edward II's army was defeated by Robert Bruce.
One commander at this battle was almost killed by Henry de Bohun while riding alone in front of his lines, but saved himself by killing Bohun with a battle axe.  
Battle of Bannockburn