2 Samuel 2:18 (BSB)

The three sons of Zeruiah were there: Joab, Abishai, and Asahel. Now Asahel was fleet of foot like a wild gazelle,

From 2 Samuel 2. Also in the ESV.

Commentary on 2 Samuel 2:18

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on 2 Samuel 2:18-24: We have here the contest between Abner and Asahel. Asahel, the brother of Joab and cousin-german to David, was one of the principal commanders of David's forces, and was famous for swiftness in running: he was as light of foot as a wild roe (Sa2 2:18); this he got the name of by swift pursuing, not swift flying.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 2 Samuel 2:18: And there were three sons of Zeruiah there,.... In the battle: Joab, and Abishai, and Asahel; Joab was the general of the array, Abishai was he who went into Saul's host at night, and took away his spear and cruse of water at his head, Sa1 26:6; and it is for the sake of the third, Asahel, that the account is given, the story of...
• Adam Clarke (Methodist), Clarke's Commentary on the Bible on 2 Samuel 2:18: Asahel was as light of foot as a wild roe - To be swift of foot was deemed a great accomplishment in the heroes of antiquity; ποδας ωκυς Αχιλλευς, the swift-footed Achilles, is an epithet which Homer gives to that hero no less than thirty times in the course of the Ilias.
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on 2 Samuel 2:17-19: 2Sa 2:17-19 As this single combat decided nothing, there followed a general and very sore or fierce battle, in which Abner and his troops were put to flight by the soldiers of David. The only thing connected with this, of which we have any further account, is the slaughter of Asahel by Abner, which is mentioned here (2Sa 2:18-23) on account of the important results which followed.