Oscar Piastri topped final practice for the Emilia Romagna Grand Prix from McLaren team-mate Lando Norris while world champions Red Bull continued to suffer with Max Verstappen sixth and Sergio Perez crashing into the barriers on Saturday. Piastri clocked 1 minute 15.529 seconds around the 4.909-kilometres Autodromo Internazionale Enzo e Dino Ferrari to top the timesheets ahead of recent Miami race winner Norris. The Ferraris of Carlos Sainz and Charles Leclerc, who had dominated both sessions Friday, followed in third and fourth, and George Russell of Mercedes was fifth. Verstappen had strugg…