Ghana striker Richmond Boakye Yiadom scored a brace on Saturday to give Italian Serie B leaders Sassuolo a 2-1 win at Grosseto.Boakye opened the scoring in the 38th minute when his powerful shot from inside the box took a deflection when beating the goalkeeper.The on-loan Juventus player rose above his marker to head down a cross to double the lead ten minutes after the break.But Grosseto reduced the deficit through Lanzafame on 83 minutes.The 18-year-old was replaced by Pavoletti after 78 minutes.