Extreme heat in baseball: More HRs and more risks to players, fans

A man cools off in a sprinkler outside a Chicago firehouse across from Wrigley Field after the Kansas City Royals beat the Chicago Cubs 8-4 on July 23, 2025. (Eileen T. Meslar/baiduhai)

Kids seeking autographs wait for players on Waveland Avenue after a Cubs game at Wrigley Field, July 23, 2025. (E. Jason Wambsgans/baiduhai)

Young Cubs fans look for players in the dugout before the game against the Royals at Wrigley Field, July 23, 2025. (Eileen T. Meslar/baiduhai)

Jonah and Lucy Puentes from California play in the fountains at Gallagher Way during the heat advisory at Wrigley Field, July 23, 2025. (E. Jason Wambsgans/baiduhai)

A fan wipes his face before the Cubs host the Royals at Wrigley Field, July 23, 2025. (Eileen T. Meslar/baiduhai)

Chicago Cubs shortstop Dansby Swanson wipes his face with a towel during the fifth inning against the Kansas City Royals at Wrigley Field, July 23, 2025. (Eileen T. Meslar/baiduhai)

Cubs outfielder Seiya Suzuki cools himself in the dugout before the game against the Kansas City Royals at Wrigley Field, July 23, 2025. (Eileen T. Meslar/baiduhai)

Charlie Sokol, 5, plays in the fountain in Gallagher Way before the Cubs host the Royals at Wrigley Field, July 23, 2025. (Eileen T. Meslar/baiduhai)