Kelly cleared waivers Thursday and was sent outright to Triple-A Albuquerque.
Kelly was claimed off waivers from Texas in July, and he'll now lose his 40-man roster spot after giving up six earned runs in just 2.1 innings with Albuquerque. The 24-year-old owns a gaudy 11.09 ERA and 2.68 WHIP through 18.2 innings at the Triple-A level, making it unlikely he receives a promotion to the majors anytime soon.