http://www.historyofmacedonia.org/AncientMacedonia/diodorus.html
[3] The Macedonians and Alexander backed Coragus because he was one of them while the Greeks favored Dioxippus. 17.100.4.
[4] Then the Macedonian (Coragus) poised his long lance and charged, but the Greek (Dioxippus), when he came within reach, struck the spear with his club and shuttered it. After these two defeats, Coragus was reduced to continuing the battle with sword, but as he reached for it, the other leaped upon him and seized his swordhand with his left, while with his right hand the Greek upset the Macedonian’s balance and made him lose his footing. 17.100.6-7