פירוש על בראשית 14:9

'ארבעה מלכים וגו FOUR KINGS [AGAINST THE FIVE]— and yet the fewer were victorious; this statement is expressly made to tell you how powerful they were, and yet Abraham did not refrain from pursuing them.

Yet, the fewer ones were victorious. Rashi is answering the question: Why does it need to state, “Four kings”? We see that they were four! Thus he explains [that it comes to teach]: “Yet ... Avraham did not refrain...”

כדרלעמר, he is mentioned first at this point as he was the cause of the entire war.