Josef Martinez scored on a penalty kick for his MLS-best 18th goal and added an assist for Atlanta United in a 2-0 win over the Philadelphia Union on Saturday at Talen Energy Stadium in Chester, Pennsylvania.
Martinez made it 1-0 in the 58th minute and Hector Villalba scored in the 76th for Atlanta as the Eastern Conference leaders moved to 4-1-3 in the past eight games.
Brad Guzan made three saves in blanking the Union, who have lost three of four. He has six shutouts.
Atlanta got the breakthrough when Union goalkeeper Andre Blake fouled Miguel Almiron in the box for the penalty.