"It gave me a physical break, a mental break and a chance to re-evaluate myself and my season," Kela said. "I was able to look at the positives rather than the negatives."
Jackson, a righty, was with the Rangers for the three-game series against the Mariners, but he did not get into a game.
Worth noting
• Left-hander Andrew Faulkner was promoted from Double-A Frisco to Round Rock. Faulkner began the season as a starter, but he was moved to the bullpen. Opponents are hitting .148 off him as a reliever with a 1.