The rearguard action mounted by Tyrell attempted (bravely) to get between the retreating O'Neill and the advancing English cavalery - Correct. The Irish forces left the field in some disorder - this is also correct however, in fact it is overly generous to the Irish effort. O'Neill had failed to get into 'tercio' formation after wandering aimlessly the night before then suddenly finding himself too close to English lines. O'Donnell's men refused to follow him into battle.  