A fugitive brought the news to Avram the Hebrew…
Rashi on Genesis 14:13 — Rashi distinguishes the plain reading (Og survived the battle with the Rephaim) from the midrashic reading, Genesis Rabbah 42:8, in which Og survived the Flood generation.
English: The fugitive — this is Og. According to the plain sense, a survivor of the battle; midrashically, Og who escaped the generation of the Flood.
Supplementary classical material not listed by Torah Temimah under this exact passuk.