Kelley will make rehab appearances with Triple-A El Paso UT San Diego reports. Kelley went to the disabled list with a strained left calf and made one appearance with High-A Lake Elsinore in which he pitched one scoreless inning. He struck out two batters and walked one. Kelley is expected to pitch both Monday and Wednesday with Triple-A El Paso. He is eligible to be called up as early as Thursday for the Padres' series with the Diamondbacks.