Chandos, also, who bore among the English the same character which Du Guesclin had acquired among the French, commanded under him in this expedition.
The first blow which the prince of Wales gave to Henry of Transtamare, was the recalling of all the "companies" from his service; and so much reverence did they bear to the name of Edward, that great numbers of them immediately withdrew from Spain, and enlisted under his banners.
Henry, however, beloved by his new subjects, and supported by the king of Arragon and others of his neighbors, was able to meet the enemy with an army of one hundred thousand men; forces three times more numerous than those which were commanded by Edward.

Du Guesclin, and all his experienced officers, advised him to delay any decisive action, to cut off the prince of Wales's provisions, and to avoid every engagement with a general, whose enterprises had hitherto been always conducted with prudence, and crowned with success.

Henry trusted too much to his numbers; and ventured to encounter the English prince at Najara.[*] * Froissard, liv.i.chap.

241.
Historians of that age are commonly very copious in describing the shock of armies in battle, the valor of the combatants, the slaughter and various successes of the day: but though small rencounters in those times were often well disputed, military discipline was always too imperfect to preserve order in great armies; and such actions deserve more the name of routs than of battles.

Henry was chased off the field, with the loss of above twenty thousand men: there perished only four knights and forty private men on the side of the English.
Peter, who so well merited the infamous epithet which he bore, purposed to murder all his prisoners in cold blood; but was restrained from this barbarity by the remonstrance, of the prince of Wales.