Rookie left-hander Aaron Bummer settling into White Sox bullpen
Luis Robert Jr. homers for lone run as White Sox down Red Sox
An increase in velocity helps explain why White Sox lefty Aaron Bummer has emerged as one of the AL's nastiest relievers
Phils' Marsh breaks up combined no-hit bid by White Sox
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Brewers need extras again, top White Sox in 10 innings
Aaron Bummer Stats, Fantasy & News
No-Fly Zone, with White Sox reliever Aaron Bummer - South Side Sox
Aaron Bummer uneven in White Sox finale loss