Mitch Keller, Pirates mow down Orioles 4-0

Mitch Keller had a career-high 13 strikeouts over seven scoreless innings Sunday to lead the Pittsburgh Pirates to a 4-0 victory over the host Baltimore Orioles.

Keller (5-1) scattered four singles and didn't walk a batter as an encore to his last start when the right-hander threw a complete-game, four-hit shutout against the Colorado Rockies in a 2-0 win. Those two outings represent the Pirates' only two victories in th