Grêmio will be leading at halftime in the Brazil Série A clash at Arena do Grêmio on August 30, 2026, flipping Porto Alegre into a frenzy. Chapecoense’s Maurício Garcez will open the scoring in the 15th minute, but Gustavo Martins will pull Grêmio level in the 18th and Cristian Pavón will shove the…