CHICAGO — The player Aaron Boone calls “The Big Sleep” helped the Yankees put the White Sox to bed Friday night.

And give the Yankees their longest winning streak of the season.

Centerfielder Trent Grisham, given that nickname because of his unflappability on the field and uber-quiet demeanor behind the scenes, hit a two-out grand slam in the fourth inning to break open a tight game and send the Yankees to a 10-2 victory in front of 28,069 at Rate Field.

The Yankees (75-60), who have won six straight and 13 of their last 17 games, moved a half-game ahead of the Red Sox for the American League’s top wild-card spot and within three games of the AL East-leading Blue Jays as Boston and Toronto both lost Friday night. They are 15 games over .500 for the first time since June 14 (42-27) and

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