Augsburg boosted their Bundesliga survival hopes with a second straight victory on Wednesday, 2-1 over Mainz. The hosts took an 11th minute lead from Jeffrey Gouweleeuw’s penalty kick after Mainz goalkeeper Robin Zentner was harshly ruled to have brought down Florian Niederlechner after failing to control a backpass. Silvan Widmer levelled for mid-table Mainz in the 54th but their joy lasted only two minutes because substitute Ruben Vargas restored Augsburg’s lead by volleying into the roof of the net after Andre Hahn had headed on a corner kick. Augsburg, who beat Wolfsburg 3-0 on Sunday, mov…