Feltner (arm) allowed two hits and two walks while striking out three over six scoreless innings in a no-decision versus the Dodgers on Sunday.
Feltner (arm) is listed as Sunday's starter against the Dodgers.
Feltner didn't factor into the decision Thursday against Detroit, allowing two runs on three hits and two walks over 5.2 innings. He struck out six.
Feltner did not factor into the decision in a win over the Orioles on Saturday, allowing five runs on six hits and one walk over 4.2 innings while striking out six.
The Rockies activated Feltner (shoulder) from the 15-day injured list Monday.
Feltner (shoulder) allowed five runs (three earned) over 2.2 innings in his first rehab start with Triple-A Albuquerque on Wednesday.
Feltner (shoulder) said that he could throw a bullpen session Saturday, MLB.com reports.
An MRI on Feltner's throwing shoulder came back clean Friday, Patrick Lyons of JustBaseball.com reports.
The Rockies placed Feltner on the 15-day injured list Thursday with a right shoulder strain.
Feltner did not factor into the decision in Thursday's win over the Angels, allowing three runs on seven hits and one walk over six innings while striking out three.