Montgomery didn't factor in the decision Sunday against the Brewers after giving up three runs on six hits with six strikeouts and two walks over 4.1 innings.

Montgomery is slated to start Tuesday's game against the Rockies at Coors Field, Jesse Friedman of GoPHNX.com reports.

Montgomery is expected to re-enter the rotation as a replacement for Ryne Nelson (shoulder), Alex Weiner of Arizona Sports reports.

Montgomery recorded his first career save in Wednesday's 14-4 rout of the Rangers, giving up two hits and a walk over three scoreless innings of relief.

Montgomery (lower leg) made a relief appearance in Friday's 8-0 loss to the Astros, giving up four earned runs on four hits and one walk while striking out three.

Montgomery (lower leg) was diagnosed with a contusion after leaving Monday's game against the Dodgers, Alex Weiner of ArizonaSports.com reports.

Montgomery was removed from Monday's appearance versus the Dodgers in the seventh inning after being hit in the lower right leg with a comebacker, Jesse Friedman of GoPHNX.com reports.

The Diamondbacks will move Montgomery to the bullpen, John Gambadoro of 98.7 FM Phoenix reports.

Montgomery (7-6) took the loss against the Phillies on Thursday, allowing four runs on eight hits and three walks over 5.2 innings. He struck out four.

Montgomery did not factor into the decision in Saturday's 4-2 loss to the Pirates, allowing one run on one hit and two walks over three innings. He struck out three.