Racing PositionsBusy Nats activate Werth, promote Rendon13YWhite Sox's Quero 'visualized' walk-off HR vs. Cubs5hJesse RogersMets swipe Subway Series after 'awesome' rally4hJorge CastilloMariners call up top prospect Emerson for debut6h15-4 under Mattingly, Phils surge over .500 mark4hAiling Astros lose Altuve to IL with oblique strain8hDodgers send Dreyer to IL, land Lauer from Jays9hFantasy baseball lineup advice for Monday: Stick with the Yankees hitters and Weathers9hESPN FantasyPirates place O'Hearn on IL, activate Mangum11hMets' Holmes: Surgery still an option, but unlikely11hJorge Castillo