Hamilton suffered a setback with his left knee injury and has been pulled off his rehab assignment at Double-A Frisco, Jeff Wilson of the Fort Worth Star-Telegram reports.

EDGE Analysis

Hamilton experienced soreness soreness while running the bases during his appearance with Frisco on Saturday, requiring a cortisone shot after the game to manage the pain. It's not overly encouraging that Hamilton is already hurting one game into his rehab assignment, but the Rangers don't believe this setback is a significant one. Hamilton could be cleared to resume the rehab assignment as soon as next week.