SAKHIR, Bahrain :George Russell wrapped up Formula One's third and final day of pre-season testing in Bahrain with Mercedes on top after he went faster than reigning world champion Max Verstappen in the closing minutes on Friday. The Briton completed 91 laps and set the day's best time around the floodlit Sakhir circuit of one minute 29.545 seconds. The time was slower than the 1:29.348 recorded by Williams' Carlos Sainz on Thursday. The Spaniard's teammate Alex Albon was third fastest on