2 Samuel 10:9

9 When Yo'av saw that he would be fighting on two fronts, ahead and behind, he chose the best troops of Isra'el to deploy against Aram;

2 Samuel 10:9 In-Context

7 When David heard of it, he sent Yo'av with his entire army of trained soldiers.
8 The army of 'Amon came out and went into battle formation at the entrance to the city gate; the men of Aram from Tzovah and Rechov and the men of Tov and Ma'akhah were by themselves in the open countryside.
9 When Yo'av saw that he would be fighting on two fronts, ahead and behind, he chose the best troops of Isra'el to deploy against Aram;
10 while the rest of the army he put under the command of Avishai his brother to deploy against the army of 'Amon.
11 He said, "If Aram is too strong for me, you help me; but if the army of 'Amon is too strong for you, then I will come and help you.
Complete Jewish Bible Copyright 1998 by David H. Stern. Published by Jewish New Testament Publications, Inc. All rights reserved. Used by permission.