PITTSBURGH (AP) - Trevor Williams scattered six hits in seven innings, Adam Frazier homered to start a four-run first, and the Pittsburgh Pirates beat the White Sox 7-0 Tuesday night to send Chicago to its worst start since 1948.
Chicago has lost eight of nine and 12 of 14, dropping to a major league-worst 10-28. The White Sox have matched the poorest 38-game start in team history.
Williams (5-2) struck out six and walked none in his longest outing of the season. Kyle Crick and Richard Rodriguez completed the seven-hitter for Pittsburgh's major league league-best seventh shutout.
Josh Bell doubled twice and drove in three runs, Sean Rodriguez had an RBI triple, and Colin Moran and Gregory Polanco each added run-scoring doubles.
Reynaldo Lopez (0-3) gave up six runs and seven hits with two walks in two-plus innings.
Pittsburgh built its 4-0 lead on Frazier's homer, Bell's two-run double and Moran's double.
Rodriguez and Bell had run-scoring hits in the second. Polanco, who also had two hits, had an RBI double in the sixth.
• TRAINER'S ROOM: White Sox - 2B Yoan Moncada (left hamstring tightness) was activated from the disabled list and went 1 for 4. He had been out since May 4.
Pirates - CF Starling Marte left the game at the end of the first inning with discomfort in his right side.