With reliever Chaz Roe joining a growing list of Braves on the DL, Jackson gets his chance to shine in the big leagues. The right-hander posted a solid 2.45 ERA for Triple-A Round Rock while in the Rangers' system last season, but has yet to validate his skills on a major league level. He'll likely be used in low-leverage situations as he auditions for a more permanent role in the Atlanta bullpen.
