Atlanta Braves relief pitcher Kirby Yates (elbow) will begin a minor league rehab assignment on Saturday, according to general manager Alex Anthopoulos. Yates' progress will give the Braves a couple of weeks to evaluate their bullpen situation before the trade deadline. The 35-year-old right-hander is working his way back from Tommy John surgery early last year, and there's a chance he'll be a part of the Braves' late-inning bullpen mix in the second half of the season, but he's unlikely to be ...