A look at what's happening around the majors today:
Jon Lester has put together some ace-worthy seasons during his 13-year major league career, including four All-Star appearances and a runner-up finish in the Cy Young voting two years ago. The Chicago Cubs left-hander is in the middle of what might prove to be his finest season so far, and he'll look to become the National League's first 12-game winner when he takes the mound against the Cincinnati Reds on Sunday. Lester is 11-2 with a 2.25 ERA this season, and he's won his last seven starts — including going 5-0 with a 1.13 ERA during June.
The Oakland A's downed Cleveland 6-3 in 11...