Aroldis Chapman is 3-0 with a 2.01 ERA and 20 saves in 31 games this season. (AP) By Jay Cohen AP Sports Writer CHICAGO – The Chicago Cubs acquired hard-throwing reliever Aroldis Chapman in a trade with the New York Yankees on Monday, giving the NL Central leaders a boost as they try for their first World Series title in more than a century. The Cubs paid a steep price, parting with top shortstop prospect Gleyber Torres and versatile pitcher Adam Warren in the four-player package going to the Yankees.