Sassuolo remained unbeaten in Serie A this season with a 1-1 draw at home to Chievo on Sunday.The Emilia-Romagna club went ahead in the third minute.Chievo goalkeeper Albano Bizzarri did well to clear Antonio Floro Flores' powerful strike but Gregoire Defrel pounced on the rebound and scored.The visitors pulled level when Alberto Paloschi headed a corner past a helpless Sassuolo goalkeeper Andrea Consigli in the 24th minute.Sassuolo felt hard done in the 35th minute after Defrel struck Alfred Duncan's pass into the back of the net, only to see his goal disallowed for offside.Neither side found the winner but the result has kept both teams in the top half of the standings. ends