MUGELLO – Mercedes driver Valtteri Bottas completed a sweep at the Tuscan Grand Prix when he posted the fastest time in third and final practice ahead of qualifying later Saturday.Quickest in both sessions on Friday, he beat Red Bull’s Max Verstappen by just .017 with Formula One champion Lewis Hamilton .083 back from Bottas in third in warm and sunny conditions.Hamilton leads the championship from Bottas by 47 points after winning five of the first eight races in his bid to equal Michael Schumacher's record seven F1 titles.