Carter, who’s dealt with chronic back issues since his professional career began, has overhauled his routine with hyperbaric chambers, cryotherapy, IV’s and needling to relieve pain in his back. He played in five of Round Rock’s last six games before his callup and said he “feels great right now.”

The Texas Rangers announced Monday that they have hired former All-Star Bret Boone as their new hitting coach. Team president Chris Young also told reporters that the team intends to call up outfielder Evan Carter.