Rookie Artemi Panarin scored two goals for the second straight night, and the Blackhawks beat Pittsburgh 3-1 on Wednesday for their second win against the Penguins in two days.Panarin broke a 1-1 tie when he jumped on a loose puck after a faceoff and whipped it over the glove of goaltender Marc-Andre Fleury at 8:56 of the third. Teuvo Teravainen added an empty-net goal as the Hawks earned their season-high fifth straight win in the opener of a four-game homestand.Panarin also had two goals in the 3-2 victory at Pittsburgh on Tuesday night, including the winner in overtime. The Russian winger leads all NHL rookies with 15 goals and 38 points.Scott Darling, filling in for starter Corey Crawford, made 17 saves as the Blackhawks swept the season series against the Penguins for the second straight year.Evgeni Malkin scored for Pittsburgh, and Fleury finished with 34 stops. The Penguins had won two in a row and four of six before the two losses against the Blackhawks.