Each club loses coaches and personnel from its minor-league and development staff each year, and the Rangers have already dealt with the significant departure of Scott Servais as farm director. He went to Anaheim in November and was replaced later in the month by Tim Purpura.
The changes the Rangers announced Wednesday aren't as significant, but they're notable nonetheless.
Jake Krug has been promoted to Director of Minor League Operations after spending the past two seasons as Assistant Director of Player Development. He will assist Purpura.
Randy Ready, a Dallas resident, has been hired as the minor-league hitting coordinator. Ready, who replaces Mike Boulanger, was dismissed as San Diego's hitting coach after last season. He also interviewed with the Rangers after the 2010 season to be their hitting coach, a search that ended with the hiring of Thad Bosley.
The most significant change on the coaching staffs is hitting coach Brant Brown's move to Triple A Round Rock. He was at Double A Frisco last year. Corey Ragsdale is the only new manager in the system as he takes over the club in the Arizona Rookie League.
Additionally, coaches Vinny Lopez, Justin Mashore and Humberto Miranda are newcomers to the organization. Miranda formally coached at Northwood U in Cedar Hill.
-- Jeff Wilson