Sassuolo maintained their promising early-season form to end Genoa's 100 per cent Serie A record.Second-half goals from Matteo Politano and Gregoire Defrel gave Sassuolo a 2-0 win and lifted them into third place in Serie A behind Napoli and Juventus.The game turned in Sassuolo's favour when Lucas Orban conceded a 58th-minute penalty, which Politano converted, and Defrel extended the home side's lead with a brilliant header eight minutes later.Genoa's misery was completed when Portugal midfielder Miguel Veloso was sent off after receiving a second yellow card four minutes from time.