A look at what's happening all around the major leagues Saturday:
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The Cubs try for their ninth straight win when Jake Arrieta starts against the White Sox at U.S. Cellular Field. Arrieta is looking to extend his career-best streak of 17 2-3 scoreless innings. The North Siders from Chicago last won nine in a row in 2008.
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Chase Utley is still with Philadelphia, but for how long? The Giants say they've made a trade offer for the 36-year-old second baseman, who cleared waivers this week. Utley has spent his entire career with the Phillies.
Athletics ace Sonny Gray will throw a bullpen session in Baltimore as he recovers from a nagging back problem. He leads the AL with a 2.06 ERA, but missed his last scheduled start because of spasms. Oakland is hoping he can pitch Monday vs. the Orioles.
Mets rookie Steven Matz makes his first rehab start at Class A St. Lucie in the Florida State League. Promoted in midseason, the 24-year-old lefty won his first two starts in the majors and also drove in five runs. He's been out since early July because of a partially torn lat muscle.