MONTREAL :George Russell set the pace for Mercedes in the second Canadian Grand Prix practice on Friday after Red Bull's Formula One champion Max Verstappen led the opening session at Montreal's Circuit Gilles Villeneuve. Ferrari's Charles Leclerc sat out the later session after crashing in the first, leaving mechanics plenty of work to repair the car. Aston Martin's Lance Stroll, who missed the previous race in Spain due to hand and wrist pain, crashed at turn seven in second practice for his