Iliad 10.109

ἠμὲν Τυδέιδην δουρὶ κλυτὸν ἠδ’ Ὀδυσῆα

This line shows that, as we would expect, Diomedes and Odysseus are closely linked in the formulaic diction. For more on Odysseus and Diomedes as a fighting pair, see below on 10.243.