Jose Abreu hit a go-ahead double in the 10th inning one after the White Sox had tied it, and Chicago beat the Boston Red Sox 3-1 on Saturday.
In a windy Fenway Park, the White Sox recorded their fifth straight win.
Leury Garcia singled twice and tied the score with a ninth-inning sacrifice fly for the White Sox (13-13), who reached .500 for the first time since April 21.
Another quisqueyano, Rafael Devers, hit an RBI double for Boston, which has lost 13 of 17 games, as well as six series in a row.
Puerto Rican Red Sox manager Alex Cora was ejected by Venezuelan home plate umpire Carlos Torres for arguing after striking out Trevor Story.
Abreu drove in automatic running back AJ Pollock. Also Cuban Luis Robert came next, who hit an RBI single against Matt Barnes (0-3).
Reynaldo López (4-0) pitched two scoreless innings of relief. Liam Hendricks got three outs for his ninth save.
For the White Sox, the Cubans Abreu 5-2 with a run scored and an RBI, Robert 5-2 with an RBI, Yasmani Grandal 5-0. Garcia 3-2 with an RBI.
For the Red Sox, the Dominicans Devers 4-2 with an RBI, Franchy Cordero 3-1 with a run scored. Mexican Alex Verdugo 4-0. Puerto Ricans Kiké Hernández 4-0, Christian Vázquez 3-1.