Matheus Alvarez uses drones and artificial intelligence-powered apps to monitor player performance during training sessions at Santos F.C. in Santos, Brazil, on June 8, 2026. Recruitment apps powered by artificial intelligence are gaining ground in Brazil, promising to even the playing field and find more soccer talent. (Victor Moriyama/The New York Times) A GUAÍ, Brazil — Eager to impress, the young soccer players darted and dribbled around the purple cones laid out on the patchy grass….