Gao Gan
In 202, when Cao Cao was on a series of campaigns to unify northern China after his victory over Yuan Shao at the Battle of Guandu two years earlier, he ordered Zhong Yao to attack Yuan's allies Gao Gan and Guo Yuan in Pingyang (平陽; in present-day Linfen, Shanxi). Ma Teng sent Ma Chao to assist Zhong Yao. Ma Chao served as an Assistant Officer Who Supervises the Army (督軍從事) under Zhong Yao. During the battle, he was hit by a stray arrow in the foot, but he wrapped his foot in a pouch and continued fighting. His subordinate Pang De slew Guo Yuan and they defeated the enemy.