Down to the wire! 😬 Team USA needed every step of the men’s 4x100m to go right to hold off akani_simbine of South Africa on the anchor… and that’s just what happened, as the Americans take World Relays gold in a world-leading 37.43 as _peezzyy just manages to hold off Simbine for the win by 0.06 seconds. 📸 Christel Saneh for World Athletics