The game stayed tied through nine innings before Colson Montgomery settled it with one swing. His single to center in the 10th brought Vargas home and gave Chicago a 3-2 victory over Los Angeles at Rate Field.
Erick Fedde anchored the White Sox effort with seven strong innings, allowing five hits and two runs while striking out six. The right-hander carried a 3.24 ERA and worked efficiently through 103 pitches, keeping Chicago within striking distance despite trailing 2-1 entering the ninth.
The decisive rally began in the ninth when Antonacci tripled to right, scoring Peters to tie the game at 2-2. In the 10th, Montgomery's single to center scored Vargas while advancing Hays to second and Murakami to third.
Drew Pomeranz took the loss for Los Angeles, lasting just one-third of an inning in the 10th. He allowed one hit and walked two batters before being lifted. The Angels had taken a 2-1 lead in the seventh on Vaughn Grissom's homer to left center, which followed Mike Trout's solo shot in the fourth that tied the game 1-1.
Chicago extended its winning streak to two games and improved to 13-17. Los Angeles fell to 12-19, extending its losing streak to five games.