Neither fought they any more — i.e., in this present campaign. In 2 Samuel 3:1, it is said that “there was a long war between the house of Saul and the house of David.”
Related Commentaries of 2 Samuel 2:28
2 Samuel 2:28
28 So Joab blew a trumpet, and all the people stood still, and pursued after Israel no more, neither fought they any more.