In Chicago, Floyd Bannister pitched a two-hitter and Carlton Fisk drove in three runs during the romp over error-prone Oakland.
Bannister (14-10) won his 11th game against one loss since the All-Star break. He struck out seven and did not walk a man before Juan Agosto relieved in the eighth inning.
Bannister gave up a leadoff double to Rickey Henderson to start the game, picked Henderson off second, then retired the next 11 batters. Davey Lopes broke that string with his 17th home run of the season leading off the fifth inning, but Bannister retired the next nine A's.
Chicago scored two runs in the bottom of the first, on a two-out single by Tom Paciorek and consecutive two-base errors by second baseman Lopes and right fielder Mike Davis. The White Sox struck for two more runs in the fourth, again with two out.
After Julio Cruz singled in the fourth, loser Tim Conroy (6-8) threw wildly to first on a pickoff attempt for the third of five Oakland errors during the game, and Rudy Law followed with an RBI triple. Fisk then singled home Law, extending his consecutive-game hitting streak to nine.