The Arizona Diamondbacks designated right-hander Zack Littell for assignment on Sunday and reinstated right-hander Drey Jameson from the 15-day injured list.
Littell, 30, signed with the Diamondbacks on Aug. 10, three days after he was released by the Washington Nationals. He has gone a combined 8-8 with a 5.21 ERA in 26 appearances (14 starts) this season.
In nine major league seasons for seven clubs, Littell is 42-37 with a 4.11 ERA in 260 career appearances (93 starts).
Jameson, 29, had a 4.67 ERA in 11 relief appearances for Arizona earlier this season. In parts of four seasons, all with the Diamondbacks, he is 6-2 with a 3.06 ERA in 33 appearances (seven starts).