When the final whistle blew at a rain-swept Elland Road, with the managers soaked from head to toe, Marcelo Bielsa went over to Pep Guardiola and placed both hands on his shoulders.The mentor wanted an instant assessment from his coaching disciple.Such an exhilarating game of end-to-end attacking football left Guardiola's mind still a whirl of thoughts.What to make of seeing his Manchester City side held 1-1 by Bielsa's Leeds on Saturday?“Maybe he is much cleverer than me,” Guardiola said, recounting the touchline exchange. “I need time to process."It won't be hard to figure out how City — the 2018 and 2019 Premier League champions — conceded the equalizer in the 59th minute to a team playing only its fourth top division game after 16-year.