NFL teams are adapting to unrelenting heat as training camps ramp up

Las Vegas Raiders quarterback Jimmy Garoppolo wipes away sweat during NFL football practice in Henderson, Nev., Wednesday, July 26, 2023.(Wade Vandervort/Las Vegas Sun via AP)

HENDERSON, Nev. (AP) — The sight of wide receivers Keith Kirkwood and Shaq Davis leaving practice early this week because of heat-related symptoms was nothing new for the New Orleans Saints, with the hot and humid Louisiana weather a test for even the best-conditioned athletes.