顔良
Combat between generals and officers during battle is also mentioned by the Records. In 197 Yan Xing, an officer of Han Sui, engaged with Ma Chao and nearly killed him when his spear broke and pierced Ma Chao's neck. In 200 Yan Liang, a general of Yuan Shao, was slain by Guan Yu, then serving under Cao Cao, during the Battle of Boma. In 214 Zhang Liao charged Sun Quan's army with only 800 men and reportedly killed ten soldiers and two officers. He then broke through the enemy ramparts and challenged Sun Quan to a duel, to which he declined.